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Assessing the reaction to and efficacy of the Screener drug discovery and development board game as a pedagogical tool in postgraduate courses
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Noël, F.
; Xexéo, G.
; Martins, M.A.
; Silva, E.J.R.
; Pupo, A.S.
; Magalhães, P.J.C.
; Lima-Júnior, R.C.P.
; Gadelha, K.K.L.
; Lima-Silva, K.
; Raimundo, J.M.
; Ghedini, P.C.
; Crespo-Lopez, M.E.
; Arrifano, G.P.
; Ferreira, J.
; Prediger, R.D.
; Militão, G.C.G.
; Oliveira, R.B.
; Hollais, A.W.
; Rodrigues, L.C.M.
; Carvalho, D.T.
; Costa, S.K.P.
; Martins, D.T.O.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Screener, a board game supplemented with online resources, was introduced and distributed by the Brazilian Society of Pharmacology and Experimental Therapeutics to postgraduate programs as an instructional tool for the process of drug discovery and development (DDD). In this study, we provided a comprehensive analysis of five critical aspects for evaluating the quality of educational games, namely: 1) description of the intervention; 2) underlying pedagogical theory; 3) identification of local educational gaps; 4) impact on diverse stakeholders; and 5) elucidation of iterative quality enhancement processes. We also present qualitative and quantitative assessments of the effectiveness of this game in 11 postgraduate courses. We employed the MEEGA+ online survey, comprising thirty-three close-ended unipolar items with 5-point Likert-type response scales, to assess student perceptions of the quality and utility of Screener. Based on 115 responses, the results indicated a highly positive outlook among students. In addition, we performed a preliminary evaluation of learning outcomes in two courses involving 28 students. Pre- and post-quizzes were applied, each consisting of 20 True/False questions directly aligned with the game's content. The analysis revealed significant improvement in students' performance following engagement with the game, with scores rising from 8.4 to 13.3 (P<0.0001, paired t-test) and 9.7 to 12.7 (P<0.0001, paired t-test). These findings underscore the utility of Screener as an enjoyable and effective tool for facilitating a positive learning experience in the DDD process. Notably, the game can also reduce the educational disparities across different regions of our continental country. resources DDD. . (DDD) study games namely 1 intervention 2 theory 3 gaps 4 stakeholders 5 processes MEEGA survey thirtythree thirty three closeended close ended 5point point Likerttype Likert type scales responses students addition Pre postquizzes post quizzes applied TrueFalse True False s content 84 8 8. 133 13 13. P<0.0001, P00001 P 0 0001 (P<0.0001 ttest t test t-test 97 9 7 9. 127 12 12. ttest. Notably country (DDD P<0.0001 P0000 000 (P<0.000 P<0.000 P000 00 (P<0.00 P<0.00 P00 (P<0.0 P<0.0 P0 (P<0. P<0. (P<0 P<0 (P< P< (P
2.
Peripheral nerve stimulator improves efficacy of the proximal paravertebral block in sheep
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO O objetivo deste estudo foi comparar a eficácia da anestesia paravertebral proximal em ovinos, com o uso de estimulador de nervos periféricos, comparando-a com a técnica de Cambridge. Oito ovinos da raça Santa Inês, cinco fêmeas e três machos, com idade de dois anos e peso de 66±13kg, foram incluídos no estudo. Foi realizada anestesia paravertebral proximal direita com lidocaína a 2% sem vasoconstritor, injetada nos espaços entre T13-L1, L1-L2 e L2-L3, com e sem o auxílio de estimulador de nervo periférico, em dois procedimentos com intervalo de sete dias entre os tratamentos, que consistiram em: TE (tratamento com estimulador: 3mg kg-1 de lidocaína 2%) e TC (tratamento controle Cambridge, 6mg kg-1 de lidocaína 2%). As variáveis cardiorrespiratórias foram registradas antes do tratamento (basal, TB) e depois, aos 15, 30, 45 e 60 minutos (T15, T30, T45 e T60, respectivamente) após a anestesia local. A eficácia da anestesia regional foi avaliada por meio de pinçamento mecânico da pele, em um ponto entre a crista ilíaca e a borda inferior da última costela. Os dados foram testados para distribuição normal usando-se o teste de Shapiro-Wilk, e comparados usando-se Kruskal-Wallis, seguido pelo teste post-hoc de Dunn. A duração do bloqueio foi analisada por meio de uma curva de sobrevivência de Kaplan-Meyer. As análises foram realizadas com 5% de significância. O TE demorou significativamente mais tempo e teve maior sucesso e maior duração. A resposta positiva ao pinçamento cutâneo no TC foi obtida em sete animais no T15 e em um no T45, enquanto no TE, um animal respondeu ao pinçamento cutâneo no T15, dois no T30, quatro no T45 e um no T60. A duração foi significativamente mais longa no TE em comparação com o TC, de acordo com a análise de Kaplan-Meyer. Não foram observadas alterações nas variáveis cardiorrespiratórias ao longo do estudo. Em conclusão, o estimulador de nervo periférico aumenta o sucesso da anestesia paravertebral proximal, usando-se uma dose menor de lidocaína a 2% em ovelhas saudáveis. periféricos comparandoa comparando Cambridge Inês machos 6613kg kg 66 13kg 66±13kg 2 vasoconstritor T13L1, T13L1 TL T13 L1, L1 T L T13-L1 L1L2 LL L2 L1-L L2L3, L2L3 L3, L3 L2-L3 tratamentos mg kg1 1 kg- 2%. . basal, basal (basal TB depois 15 30 4 6 (T15 T30 T4 T60 respectivamente local pele costela usandose usando se ShapiroWilk, ShapiroWilk Shapiro Wilk, Wilk Shapiro-Wilk KruskalWallis, KruskalWallis Kruskal Wallis, Wallis Kruskal-Wallis posthoc post hoc Dunn KaplanMeyer. KaplanMeyer Kaplan Meyer. Meyer Kaplan-Meyer 5 significância T1 conclusão saudáveis T13L T13-L L1L L2L L2-L 3 (T1 T3 T6 (T
ABSTRACT The purpose of this study was to compare the efficacy of proximal paravertebral anesthesia in sheep using a peripheral nerve stimulator and compare it to the Cambridge technique. Eight Santa Inês sheep, five females and three males aged 2 years and weighing 13kg were enrolled in the study. Right proximal paravertebral anesthesia was carried out using 2% lidocaine without vasoconstrictor, injected in the spaces between T13-L1, L1-L2 and L2-L3, with and without the aid of a peripheral nerve stimulator in two procedures with an interval of 7 days between treatments, which comprised: ST (stimulator treatment: 3mg kg-1 of lidocaine 2%) and CT (Cambridge control treatment, 6mg kg-1 of lidocaine 2%). Cardiorespiratory variables were recorded before the treatment (baseline, TB) and then at 15, 30, 45 and 60 minutes (T15, T30, T45 and T60, respectively) following local anesthesia. Effectiveness of the regional anesthesia was assessed by means of mechanical skin clamping at a point between the iliac crest and the lowest border of the last rib. Data were tested for normal distribution using the Shapiro-Wilk test and compared using Kruskal-Wallis followed by Dunn post-hoc test. Duration of the blockade was analyzed using a Kaplan-Meyer survival curve. Analyses were performed under 5% significance. ST took significantly longer and had greater success and greater duration. Positive response to skin clamping in CT was obtained in seven animals at T15 and one at T45, whereas in ST, one animal responded to skin clamping at T15, two at T30, four at T45 and one at T60. Duration was significantly longer in ST compared to CT according to the Kaplan-Meyer analysis. No changes were seen in cardiorespiratory variables throughout the study. In conclusion, the peripheral nerve stimulator increases the success of proximal paravertebral anesthesia using a lower dose of 2% lidocaine in healthy sheep. technique kg vasoconstrictor T13L1, T13L1 TL T13 L1, L1 T L T13-L1 L1L2 LL L2 L1-L L2L3, L2L3 L3, L3 L2-L3 treatments comprised mg kg1 1 kg- 2%. . baseline, baseline (baseline TB 15 30 4 6 (T15 T30 T4 T60 respectively rib ShapiroWilk Shapiro Wilk KruskalWallis Kruskal Wallis posthoc post hoc KaplanMeyer Kaplan Meyer curve 5 significance duration T1 analysis conclusion T13L T13-L L1L L2L L2-L 3 (T1 T3 T6 (T
3.
Catálogo Taxonômico da Fauna do Brasil: Setting the baseline knowledge on the animal diversity in Brazil Brasil
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Boeger, Walter A.
; Valim, Michel P.
; Zaher, Hussam
; Rafael, José A.
; Forzza, Rafaela C.
; Percequillo, Alexandre R.
; Serejo, Cristiana S.
; Garraffoni, André R.S.
; Santos, Adalberto J.
; Slipinski, Adam
; Linzmeier, Adelita M.
; Calor, Adolfo R.
; Garda, Adrian A.
; Kury, Adriano B.
; Fernandes, Agatha C.S.
; Agudo-Padrón, Aisur I.
; Akama, Alberto
; Silva Neto, Alberto M. da
; Burbano, Alejandro L.
; Menezes, Aleksandra
; Pereira-Colavite, Alessandre
; Anichtchenko, Alexander
; Lees, Alexander C.
; Bezerra, Alexandra M.R.
; Domahovski, Alexandre C.
; Pimenta, Alexandre D.
; Aleixo, Alexandre L.P.
; Marceniuk, Alexandre P.
; Paula, Alexandre S. de
; Somavilla, Alexandre
; Specht, Alexandre
; Camargo, Alexssandro
; Newton, Alfred F.
; Silva, Aline A.S. da
; Santos, Aline B. dos
; Tassi, Aline D.
; Aragão, Allan C.
; Santos, Allan P.M.
; Migotto, Alvaro E.
; Mendes, Amanda C.
; Cunha, Amanda
; Chagas Júnior, Amazonas
; Sousa, Ana A.T. de
; Pavan, Ana C.
; Almeida, Ana C.S.
; Peronti, Ana L.B.G.
; Henriques-Oliveira, Ana L.
; Prudente, Ana L.
; Tourinho, Ana L.
; Pes, Ana M.O.
; Carmignotto, Ana P.
; Wengrat, Ana P.G. da Silva
; Dornellas, Ana P.S.
; Molin, Anamaria Dal
; Puker, Anderson
; Morandini, André C.
; Ferreira, André da S.
; Martins, André L.
; Esteves, André M.
; Fernandes, André S.
; Roza, André S.
; Köhler, Andreas
; Paladini, Andressa
; Andrade, Andrey J. de
; Pinto, Ângelo P.
; Salles, Anna C. de A.
; Gondim, Anne I.
; Amaral, Antonia C.Z.
; Rondón, Antonio A.A.
; Brescovit, Antonio
; Lofego, Antônio C.
; Marques, Antonio C.
; Macedo, Antonio
; Andriolo, Artur
; Henriques, Augusto L.
; Ferreira Júnior, Augusto L.
; Lima, Aurino F. de
; Barros, Ávyla R. de A.
; Brito, Ayrton do R.
; Romera, Bárbara L.V.
; Vasconcelos, Beatriz M.C. de
; Frable, Benjamin W.
; Santos, Bernardo F.
; Ferraz, Bernardo R.
; Rosa, Brunno B.
; Sampaio, Brunno H.L.
; Bellini, Bruno C.
; Clarkson, Bruno
; Oliveira, Bruno G. de
; Corrêa, Caio C.D.
; Martins, Caleb C.
; Castro-Guedes, Camila F. de
; Souto, Camilla
; Bicho, Carla de L.
; Cunha, Carlo M.
; Barboza, Carlos A. de M.
; Lucena, Carlos A.S. de
; Barreto, Carlos
; Santana, Carlos D.C.M. de
; Agne, Carlos E.Q.
; Mielke, Carlos G.C.
; Caetano, Carlos H.S.
; Flechtmann, Carlos H.W.
; Lamas, Carlos J.E.
; Rocha, Carlos
; Mascarenhas, Carolina S.
; Margaría, Cecilia B.
; Waichert, Cecilia
; Digiani, Celina
; Haddad, Célio F.B.
; Azevedo, Celso O.
; Benetti, Cesar J.
; Santos, Charles M.D. dos
; Bartlett, Charles R.
; Bonvicino, Cibele
; Ribeiro-Costa, Cibele S.
; Santos, Cinthya S.G.
; Justino, Cíntia E.L.
; Canedo, Clarissa
; Bonecker, Claudia C.
; Santos, Cláudia P.
; Carvalho, Claudio J.B. de
; Gonçalves, Clayton C.
; Galvão, Cleber
; Costa, Cleide
; Oliveira, Cléo D.C. de
; Schwertner, Cristiano F.
; Andrade, Cristiano L.
; Pereira, Cristiano M.
; Sampaio, Cristiano
; Dias, Cristina de O.
; Lucena, Daercio A. de A.
; Manfio, Daiara
; Amorim, Dalton de S.
; Queiroz, Dalva L. de
; Queiroz, Dalva L. de
; Colpani, Daniara
; Abbate, Daniel
; Aquino, Daniel A.
; Burckhardt, Daniel
; Cavallari, Daniel C.
; Prado, Daniel de C. Schelesky
; Praciano, Daniel L.
; Basílio, Daniel S.
; Bená, Daniela de C.
; Toledo, Daniela G.P. de
; Takiya, Daniela M.
; Fernandes, Daniell R.R.
; Ament, Danilo C.
; Cordeiro, Danilo P.
; Silva, Darliane E.
; Pollock, Darren A.
; Muniz, David B.
; Gibson, David I.
; Nogueira, David S.
; Marques, Dayse W.A.
; Lucatelli, Débora
; Garcia, Deivys M.A.
; Baêta, Délio
; Ferreira, Denise N.M.
; Rueda-Ramírez, Diana
; Fachin, Diego A.
; Souza, Diego de S.
; Rodrigues, Diego F.
; Pádua, Diego G. de
; Barbosa, Diego N.
; Dolibaina, Diego R.
; Amaral, Diogo C.
; Chandler, Donald S.
; Maccagnan, Douglas H.B.
; Caron, Edilson
; Carvalho, Edrielly
; Adriano, Edson A.
; Abreu Júnior, Edson F. de
; Pereira, Edson H.L.
; Viegas, Eduarda F.G.
; Carneiro, Eduardo
; Colley, Eduardo
; Eizirik, Eduardo
; Santos, Eduardo F. dos
; Shimbori, Eduardo M.
; Suárez-Morales, Eduardo
; Arruda, Eliane P. de
; Chiquito, Elisandra A.
; Lima, Élison F.B.
; Castro, Elizeu B. de
; Orlandin, Elton
; Nascimento, Elynton A. do
; Razzolini, Emanuel
; Gama, Emanuel R.R.
; Araujo, Enilma M. de
; Nishiyama, Eric Y.
; Spiessberger, Erich L.
; Santos, Érika C.L. dos
; Contreras, Eugenia F.
; Galati, Eunice A.B.
; Oliveira Junior, Evaldo C. de
; Gallardo, Fabiana
; Hernandes, Fabio A.
; Lansac-Tôha, Fábio A.
; Pitombo, Fabio B.
; Dario, Fabio Di
; Santos, Fábio L. dos
; Mauro, Fabio
; Nascimento, Fabio O. do
; Olmos, Fabio
; Amaral, Fabio R.
; Schunck, Fabio
; Godoi, Fábio S. P. de
; Machado, Fabrizio M.
; Barbo, Fausto E.
; Agrain, Federico A.
; Ribeiro, Felipe B.
; Moreira, Felipe F.F.
; Barbosa, Felipe F.
; Silva, Fenanda S.
; Cavalcanti, Fernanda F.
; Straube, Fernando C.
; Carbayo, Fernando
; Carvalho Filho, Fernando
; Zanella, Fernando C.V.
; Jacinavicius, Fernando de C.
; Farache, Fernando H.A.
; Leivas, Fernando
; Dias, Fernando M.S.
; Mantellato, Fernando
; Vaz-de-Mello, Fernando Z.
; Gudin, Filipe M.
; Albuquerque, Flávio
; Molina, Flavio B.
; Passos, Flávio D.
; Shockley, Floyd W.
; Pinheiro, Francielly F.
; Mello, Francisco de A.G. de
; Nascimento, Francisco E. de L.
; Franco, Francisco L.
; Oliveira, Francisco L. de
; Melo, Francisco T. de V.
; Quijano, Freddy R.B.
; Salles, Frederico F.
; Biffi, Gabriel
; Queiroz, Gabriel C.
; Bizarro, Gabriel L.
; Hrycyna, Gabriela
; Leviski, Gabriela
; Powell, Gareth S.
; Santos, Geane B. dos
; Morse, Geoffrey E.
; Brown, George
; Mattox, George M.T.
; Zimbrão, Geraldo
; Carvalho, Gervásio S.
; Miranda, Gil F.G.
; Moraes, Gilberto J. de
; Lourido, Gilcélia M.
; Neves, Gilmar P.
; Moreira, Gilson R.P.
; Montingelli, Giovanna G.
; Maurício, Giovanni N.
; Marconato, Gláucia
; Lopez, Guilherme E.L.
; Silva, Guilherme L. da
; Muricy, Guilherme
; Brito, Guilherme R.R.
; Garbino, Guilherme S.T.
; Flores, Gustavo E.
; Graciolli, Gustavo
; Libardi, Gustavo S.
; Proctor, Heather C.
; Gil-Santana, Helcio R.
; Varella, Henrique R.
; Escalona, Hermes E.
; Schmitz, Hermes J.
; Rodrigues, Higor D.D.
; Galvão Filho, Hilton de C.
; Quintino, Hingrid Y.S.
; Pinto, Hudson A.
; Rainho, Hugo L.
; Miyahira, Igor C.
; Gonçalves, Igor de S.
; Martins, Inês X.
; Cardoso, Irene A.
; Oliveira, Ismael B. de
; Franz, Ismael
; Fernandes, Itanna O.
; Golfetti, Ivan F.
; S. Campos-Filho, Ivanklin
; Oliveira, Ivo de S.
; Delabie, Jacques H.C.
; Oliveira, Jader de
; Prando, Jadila S.
; Patton, James L.
; Bitencourt, Jamille de A.
; Silva, Janaina M.
; Santos, Jandir C.
; Arruda, Janine O.
; Valderrama, Jefferson S.
; Dalapicolla, Jeronymo
; Oliveira, Jéssica P.
; Hájek, Jiri
; Morselli, João P.
; Narita, João P.
; Martin, João P.I.
; Grazia, Jocélia
; McHugh, Joe
; Cherem, Jorge J.
; Farias Júnior, José A.S.
; Fernandes, Jose A.M.
; Pacheco, José F.
; Birindelli, José L.O.
; Rezende, José M.
; Avendaño, Jose M.
; Duarte, José M. Barbanti
; Ribeiro, José R. Inácio
; Mermudes, José R.M.
; Pujol-Luz, José R.
; Santos, Josenilson R. dos
; Câmara, Josenir T.
; Teixeira, Joyce A.
; Prado, Joyce R. do
; Botero, Juan P.
; Almeida, Julia C.
; Kohler, Julia
; Gonçalves, Julia P.
; Beneti, Julia S.
; Donahue, Julian P.
; Alvim, Juliana
; Almeida, Juliana C.
; Segadilha, Juliana L.
; Wingert, Juliana M.
; Barbosa, Julianna F.
; Ferrer, Juliano
; Santos, Juliano F. dos
; Kuabara, Kamila M.D.
; Nascimento, Karine B.
; Schoeninger, Karine
; Campião, Karla M.
; Soares, Karla
; Zilch, Kássia
; Barão, Kim R.
; Teixeira, Larissa
; Sousa, Laura D. do N.M. de
; Dumas, Leandro L.
; Vieira, Leandro M.
; Azevedo, Leonardo H.G.
; Carvalho, Leonardo S.
; Souza, Leonardo S. de
; Rocha, Leonardo S.G.
; Bernardi, Leopoldo F.O.
; Vieira, Letícia M.
; Johann, Liana
; Salvatierra, Lidianne
; Oliveira, Livia de M.
; Loureiro, Lourdes M.A. El-moor
; Barreto, Luana B.
; Barros, Luana M.
; Lecci, Lucas
; Camargos, Lucas M. de
; Lima, Lucas R.C.
; Almeida, Lucia M.
; Martins, Luciana R.
; Marinoni, Luciane
; Moura, Luciano de A.
; Lima, Luciano
; Naka, Luciano N.
; Miranda, Lucília S.
; Salik, Lucy M.
; Bezerra, Luis E.A.
; Silveira, Luis F.
; Campos, Luiz A.
; Castro, Luiz A.S. de
; Pinho, Luiz C.
; Silveira, Luiz F.L.
; Iniesta, Luiz F.M.
; Tencatt, Luiz F.C.
; Simone, Luiz R.L.
; Malabarba, Luiz R.
; Cruz, Luiza S. da
; Sekerka, Lukas
; Barros, Lurdiana D.
; Santos, Luziany Q.
; Skoracki, Maciej
; Correia, Maira A.
; Uchoa, Manoel A.
; Andrade, Manuella F.G.
; Hermes, Marcel G.
; Miranda, Marcel S.
; Araújo, Marcel S. de
; Monné, Marcela L.
; Labruna, Marcelo B.
; Santis, Marcelo D. de
; Duarte, Marcelo
; Knoff, Marcelo
; Nogueira, Marcelo
; Britto, Marcelo R. de
; Melo, Marcelo R.S. de
; Carvalho, Marcelo R. de
; Tavares, Marcelo T.
; Kitahara, Marcelo V.
; Justo, Marcia C.N.
; Botelho, Marcia J.C.
; Couri, Márcia S.
; Borges-Martins, Márcio
; Felix, Márcio
; Oliveira, Marcio L. de
; Bologna, Marco A.
; Gottschalk, Marco S.
; Tavares, Marcos D.S.
; Lhano, Marcos G.
; Bevilaqua, Marcus
; Santos, Marcus T.T.
; Domingues, Marcus V.
; Sallum, Maria A.M.
; Digiani, María C.
; Santarém, Maria C.A.
; Nascimento, Maria C. do
; Becerril, María de los A.M.
; Santos, Maria E.A. dos
; Passos, Maria I. da S. dos
; Felippe-Bauer, Maria L.
; Cherman, Mariana A.
; Terossi, Mariana
; Bartz, Marie L.C.
; Barbosa, Marina F. de C.
; Loeb, Marina V.
; Cohn-Haft, Mario
; Cupello, Mario
; Martins, Marlúcia B.
; Christofersen, Martin L.
; Bento, Matheus
; Rocha, Matheus dos S.
; Martins, Maurício L.
; Segura, Melissa O.
; Cardenas, Melissa Q.
; Duarte, Mércia E.
; Ivie, Michael A.
; Mincarone, Michael M.
; Borges, Michela
; Monné, Miguel A.
; Casagrande, Mirna M.
; Fernandez, Monica A.
; Piovesan, Mônica
; Menezes, Naércio A.
; Benaim, Natalia P.
; Reategui, Natália S.
; Pedro, Natan C.
; Pecly, Nathalia H.
; Ferreira Júnior, Nelson
; Silva Júnior, Nelson J. da
; Perioto, Nelson W.
; Hamada, Neusa
; Degallier, Nicolas
; Chao, Ning L.
; Ferla, Noeli J.
; Mielke, Olaf H.H.
; Evangelista, Olivia
; Shibatta, Oscar A.
; Oliveira, Otto M.P.
; Albornoz, Pablo C.L.
; Dellapé, Pablo M.
; Gonçalves, Pablo R.
; Shimabukuro, Paloma H.F.
; Grossi, Paschoal
; Rodrigues, Patrícia E. da S.
; Lima, Patricia O.V.
; Velazco, Paul
; Santos, Paula B. dos
; Araújo, Paula B.
; Silva, Paula K.R.
; Riccardi, Paula R.
; Garcia, Paulo C. de A.
; Passos, Paulo G.H.
; Corgosinho, Paulo H.C.
; Lucinda, Paulo
; Costa, Paulo M.S.
; Alves, Paulo P.
; Roth, Paulo R. de O.
; Coelho, Paulo R.S.
; Duarte, Paulo R.M.
; Carvalho, Pedro F. de
; Gnaspini, Pedro
; Souza-Dias, Pedro G.B.
; Linardi, Pedro M.
; Bartholomay, Pedro R.
; Demite, Peterson R.
; Bulirsch, Petr
; Boll, Piter K.
; Pereira, Rachel M.M.
; Silva, Rafael A.P.F.
; Moura, Rafael B. de
; Boldrini, Rafael
; Silva, Rafaela A. da
; Falaschi, Rafaela L.
; Cordeiro, Ralf T.S.
; Mello, Ramon J.C.L.
; Singer, Randal A.
; Querino, Ranyse B.
; Heleodoro, Raphael A.
; Castilho, Raphael de C.
; Constantino, Reginaldo
; Guedes, Reinaldo C.
; Carrenho, Renan
; Gomes, Renata S.
; Gregorin, Renato
; Machado, Renato J.P.
; Bérnils, Renato S.
; Capellari, Renato S.
; Silva, Ricardo B.
; Kawada, Ricardo
; Dias, Ricardo M.
; Siewert, Ricardo
; Brugnera, Ricaro
; Leschen, Richard A.B.
; Constantin, Robert
; Robbins, Robert
; Pinto, Roberta R.
; Reis, Roberto E. dos
; Ramos, Robson T. da C.
; Cavichioli, Rodney R.
; Barros, Rodolfo C. de
; Caires, Rodrigo A.
; Salvador, Rodrigo B.
; Marques, Rodrigo C.
; Araújo, Rodrigo C.
; Araujo, Rodrigo de O.
; Dios, Rodrigo de V.P.
; Johnsson, Rodrigo
; Feitosa, Rodrigo M.
; Hutchings, Roger W.
; Lara, Rogéria I.R.
; Rossi, Rogério V.
; Gerstmeier, Roland
; Ochoa, Ronald
; Hutchings, Rosa S.G.
; Ale-Rocha, Rosaly
; Rocha, Rosana M. da
; Tidon, Rosana
; Brito, Rosangela
; Pellens, Roseli
; Santos, Sabrina R. dos
; Santos, Sandra D. dos
; Paiva, Sandra V.
; Santos, Sandro
; Oliveira, Sarah S. de
; Costa, Sávio C.
; Gardner, Scott L.
; Leal, Sebastián A. Muñoz
; Aloquio, Sergio
; Bonecker, Sergio L.C.
; Bueno, Sergio L. de S.
; Almeida, Sérgio M. de
; Stampar, Sérgio N.
; Andena, Sérgio R.
; Posso, Sergio R.
; Lima, Sheila P.
; Gadelha, Sian de S.
; Thiengo, Silvana C.
; Cohen, Simone C.
; Brandão, Simone N.
; Rosa, Simone P.
; Ribeiro, Síria L.B.
; Letana, Sócrates D.
; Santos, Sonia B. dos
; Andrade, Sonia C.S.
; Dávila, Stephane
; Vaz, Stéphanie
; Peck, Stewart B.
; Christo, Susete W.
; Cunha, Suzan B.Z.
; Gomes, Suzete R.
; Duarte, Tácio
; Madeira-Ott, Taís
; Marques, Taísa
; Roell, Talita
; Lima, Tarcilla C. de
; Sepulveda, Tatiana A.
; Maria, Tatiana F.
; Ruschel, Tatiana P.
; Rodrigues, Thaiana
; Marinho, Thais A.
; Almeida, Thaís M. de
; Miranda, Thaís P.
; Freitas, Thales R.O.
; Pereira, Thalles P.L.
; Zacca, Thamara
; Pacheco, Thaynara L.
; Martins, Thiago F.
; Alvarenga, Thiago M.
; Carvalho, Thiago R. de
; Polizei, Thiago T.S.
; McElrath, Thomas C.
; Henry, Thomas
; Pikart, Tiago G.
; Porto, Tiago J.
; Krolow, Tiago K.
; Carvalho, Tiago P.
; Lotufo, Tito M. da C.
; Caramaschi, Ulisses
; Pinheiro, Ulisses dos S.
; Pardiñas, Ulyses F.J.
; Maia, Valéria C.
; Tavares, Valeria
; Costa, Valmir A.
; Amaral, Vanessa S. do
; Silva, Vera C.
; Wolff, Vera R. dos S.
; Slobodian, Verônica
; Silva, Vinícius B. da
; Espíndola, Vinicius C.
; Costa-Silva, Vinicius da
; Bertaco, Vinicius de A.
; Padula, Vinícius
; Ferreira, Vinicius S.
; Silva, Vitor C.P. da
; Piacentini, Vítor de Q.
; Sandoval-Gómez, Vivian E.
; Trevine, Vivian
; Sousa, Viviane R.
; Sant’Anna, Vivianne B. de
; Mathis, Wayne N.
; Souza, Wesley de O.
; Colombo, Wesley D.
; Tomaszewska, Wioletta
; Wosiacki, Wolmar B.
; Ovando, Ximena M.C.
; Leite, Yuri L.R.
.
ABSTRACT The limited temporal completeness and taxonomic accuracy of species lists, made available in a traditional manner in scientific publications, has always represented a problem. These lists are invariably limited to a few taxonomic groups and do not represent up-to-date knowledge of all species and classifications. In this context, the Brazilian megadiverse fauna is no exception, and the Catálogo Taxonômico da Fauna do Brasil (CTFB) (http://fauna.jbrj.gov.br/), made public in 2015, represents a database on biodiversity anchored on a list of valid and expertly recognized scientific names of animals in Brazil. The CTFB is updated in near real time by a team of more than 800 specialists. By January 1, 2024, the CTFB compiled 133,691 nominal species, with 125,138 that were considered valid. Most of the valid species were arthropods (82.3%, with more than 102,000 species) and chordates (7.69%, with over 11,000 species). These taxa were followed by a cluster composed of Mollusca (3,567 species), Platyhelminthes (2,292 species), Annelida (1,833 species), and Nematoda (1,447 species). All remaining groups had less than 1,000 species reported in Brazil, with Cnidaria (831 species), Porifera (628 species), Rotifera (606 species), and Bryozoa (520 species) representing those with more than 500 species. Analysis of the CTFB database can facilitate and direct efforts towards the discovery of new species in Brazil, but it is also fundamental in providing the best available list of valid nominal species to users, including those in science, health, conservation efforts, and any initiative involving animals. The importance of the CTFB is evidenced by the elevated number of citations in the scientific literature in diverse areas of biology, law, anthropology, education, forensic science, and veterinary science, among others. publications problem uptodate up date classifications context exception (CTFB http//fauna.jbrj.gov.br/, httpfaunajbrjgovbr http //fauna.jbrj.gov.br/ , jbrj gov br (http://fauna.jbrj.gov.br/) 2015 Brazil 80 specialists 1 2024 133691 133 691 133,69 125138 125 138 125,13 82.3%, 823 82 3 (82.3% 102000 102 000 102,00 7.69%, 769 7 69 (7.69% 11000 11 11,00 . 3,567 3567 567 (3,56 2,292 2292 2 292 (2,29 1,833 1833 833 (1,83 1,447 1447 447 (1,44 1000 1,00 831 (83 628 (62 606 (60 520 (52 50 users science health biology law anthropology education others http//fauna.jbrj.gov.br/ faunajbrjgovbr //fauna.jbrj.gov.br (http://fauna.jbrj.gov.br/ 201 8 202 13369 13 133,6 12513 12 125,1 82.3% (82.3 10200 10 00 102,0 7.69% 76 6 (7.69 1100 11,0 3,56 356 56 (3,5 2,29 229 29 (2,2 1,83 183 83 (1,8 1,44 144 44 (1,4 100 1,0 (8 62 (6 60 52 (5 5 http//fauna.jbrj.gov.br (http://fauna.jbrj.gov.br 20 1336 133, 1251 125, 82.3 (82. 1020 0 102, 7.69 (7.6 110 11, 3,5 35 (3, 2,2 22 (2, 1,8 18 (1, 1,4 14 4 ( 82. (82 7.6 (7. 3, (3 2, (2 (1 7. (7
4.
Potential of elephant grass genotypes silages as exclusive roughage on tissue composition and meat quality of lambs: a preliminary study lambs
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Soares, L.F.P.
; Guim, A.
; Mello, A.C.L.
; Ferreira, M.A.
; Maciel, M.I.S.
; Silva, J.L.
; Melo, P.M.C.
; Silva, T.G.P.
; Oliveira, C.J.P.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
ABSTRACT This study aimed to evaluate the effects of diets containing elephant grass genotypes silages as exclusive roughage on leg tissue composition, and physicochemical characteristics of meat of lambs. Twenty-four crossbred male lambs with an average initial body weight of 20.29±2.66kg were distributed in a complete randomized design with three treatments and eight replicates. The treatments consisted of three silages of elephant grass genotypes (IRI-381, Elephant B or Mott), without additives or wilting, as the only roughage. The diets did not affect (P>0.05) the dry matter (898.70±60.10 g/day), crude protein (128.93±6.91g/day), total digestible nutrients (690.20±91.82g/day) intakes, body weight at slaughter (24.83±2.79kg), and carcass yields (P>0.05). The tissue composition of the leg did not differ significantly between silages of elephant grass genotypes (P>0.05). No difference (P>0.05) for the physicochemical characteristics of meat from lambs fed diets tested was observed. Therefore, our results indicate that diets containing 50% elephant grass genotypes silages (IRI-381, Elephant B or Mott), harvested at 60 days of growth, have potential for use in lambs feeding. Twentyfour Twenty four 2029266kg kg 20 29 2 66kg replicates IRI381, IRI381 IRI 381, 381 (IRI-381 Mott, Mott , Mott) wilting P>0.05 P005 P 0 05 (P>0.05 898.70±60.10 898706010 898 70 10 (898.70±60.1 g/day, gday g/day g day g/day) 128.93±6.91g/day, 12893691gday 128.93±6.91g/day 128 93 6 91g (128.93±6.91g/day) 690.20±91.82g/day 690209182gday 690 91 82g (690.20±91.82g/day intakes 24.83±2.79kg, 2483279kg 24.83±2.79kg 24 83 79kg (24.83±2.79kg) P>0.05. . observed Therefore 50 growth feeding IRI38 38 (IRI-38 P>0.0 P00 (P>0.0 898.70±60.1 89870601 89 7 1 (898.70±60. 12 9 (128.93±6.91g/day 69 8 (24.83±2.79kg 5 IRI3 3 (IRI-3 P>0. P0 (P>0. 898.70±60. 8987060 (898.70±60 (IRI- P>0 (P>0 898.70±60 898706 (898.70±6 (IRI P> (P> 898.70±6 89870 (898.70± (P 898.70± 8987 (898.70 898.70 (898.7 898.7 (898. 898. (898 (89 (8 (
RESUMO Este estudo teve como objetivo avaliar os efeitos de dietas contendo silagens de genótipos de capim-elefante como volumoso exclusivo sobre a composição tecidual da perna e nas características físico-químicas da carne de cordeiros. Vinte e quatro cordeiros machos mestiços, com peso corporal inicial médio de 20,29±2,66kg, foram distribuídos em delineamento inteiramente ao acaso, com três tratamentos e oito repetições. Os tratamentos consistiram de três silagens de genótipos de capim-elefante (IRI-381, Elephant B ou Mott), sem aditivos ou emurchecimento, como único volumoso. As dietas não afetaram (P>0,05) os consumos de matéria seca (898,70 ± 60,10g/dia), proteína bruta (128,93±6,91g/dia) e nutrientes digestíveis totais (690,20±91,82g/dia), peso corporal ao abate (24,83±2,79kg) e rendimentos de carcaça (P>0,05). A composição tecidual da perna não diferiu significativamente entre as silagens dos genótipos de capim-elefante (P>0,05). Não foi observada diferença (P>0,05) para as características físico-químicas da carne dos cordeiros alimentados com as dietas testadas. Portanto, os resultados indicam que dietas contendo 50% de silagens de genótipos de capim-elefante (IRI-381, Elephant B ou Mott), colhidos aos 60 dias de crescimento, têm potencial para uso na alimentação de cordeiros. capimelefante capim elefante físicoquímicas físico químicas mestiços 2029266kg kg 20 29 2 66kg 20,29±2,66kg acaso repetições IRI381, IRI381 IRI 381, 381 (IRI-381 Mott, Mott , Mott) emurchecimento P>0,05 P005 P 0 05 (P>0,05 898,70 89870 898 70 (898,7 60,10g/dia, 6010gdia gdia 60,10g/dia 10g dia g 60,10g/dia) 128,93±6,91g/dia 12893691gdia 128 93 6 91g (128,93±6,91g/dia 690,20±91,82g/dia, 690209182gdia 690,20±91,82g/dia 690 91 82g (690,20±91,82g/dia) 24,83±2,79kg 2483279kg 24 83 79kg (24,83±2,79kg P>0,05. . testadas Portanto 50 crescimento IRI38 38 (IRI-38 P>0,0 P00 (P>0,0 898,7 8987 89 7 (898, 12 9 69 (690,20±91,82g/dia 8 5 IRI3 3 (IRI-3 P>0, P0 (P>0, 898, (898 1 (IRI- P>0 (P>0 (89 (IRI P> (P> (8 (P (
5.
Prevalence, risk factors and survival in dogs with myxomatous valve degeneration
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Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO O objetivo deste estudo foi descrever a prevalência, o tempo de sobrevivência e os fatores de risco da doença mixomatosa valvar mitral (DMVM) em cães, por meio de estudo de coorte observacional retrospectivo, os quais foram atendidos em um centro veterinário de 2012 a 2018 (2.585 dias). Considerando os 105 arquivos de cães com confirmação da DMVM, maior prevalência foi observada em raças pequenas com idades entre 10 e 19 anos (30,3%). O tempo de sobrevivência de cães em estágio B1 (1.854+145 dias) foi superior ao B2 (1.508+209) e ao C/D (930+209). Maior risco de morte (hazard ratio) foi observado na presença de síncope (2,5), crepitação pulmonar (2,0), dispneia (1,9), bem como de valores superiores de VHS (1,7), dimensão radiográfica do átrio esquerdo (1,8), estadiamento ACVIM (1,7) e duração do complexo QRS (1,05). Os resultados obtidos demonstraram maior prevalência de DMVM em cães idosos de raças pequenas, associada a maior tempo de sobrevida no estágio B1 da doença e a maior risco de morte relacionado à presença de sinais clínicos como dispneia, síncope e crepitação pulmonar, além de algumas variáveis radiográficas, ecocardiográficas e eletrocardiográficas de cardiomegalia ou aumento atrial esquerdo.
ABSTRACT The objective of this study was to describe the prevalence, survival time, and risk factors of myxomatous mitral valve disease (MMVD) in dogs by a retrospective observational cohort study design of a Brazilian veterinary center, admitted from 2012 to 2018 (2.585 days). Considering the 105 dog files confirmed as MMVD, the prevalence of the disease was higher in small-breed dogs with ages from 10 to 19 years (30.3%). The survival time of the dogs at B1 stage (1.854 ± 145 days) was higher than the B2 (1.508+209) and C/D (930 ± 209). Higher risks of death (hazard ratio) were detected in the presence of syncope (2.5), pulmonary crackling (2.0), dyspnea (1.9), and higher values of vertebral heart scale (1.7), radiographic left atrium dimension (1.8), the ACVIM staging (1.7), and the duration of QRS complex (1.05). The results achieved demonstrated higher prevalence of MMVD in old small-breed dogs, associated with longer survival time in the B1 stage of the disease, and higher risk of death related to the presence of clinical signs, such as dyspnea, syncope, and pulmonary crackling, beyond some radiographic, echocardiographic, and electrocardiographic variables of heart or atrial enlargement.
https://doi.org/10.1590/1678-4162-12236
194 downloads
6.
Morphological and molecular diagnosis of diseases of free-ranging crab-eating foxes (Cerdocyon thous)
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Uzai, G.J.S.
; Monteiro, C.P.
; Soares, R.
; Silva, M.A.
; Oliveira, A.R.
; Santos, D.O.
; Santos, R.L.
; Nunes, L.C.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO O objetivo deste estudo foi investigar a ocorrência de doenças em canídeos silvestres de vida livre que foram atropelados em rodovias no estado do Espírito Santo, Brasil. Testes de PCR foram realizados para a detecção de Brucella sp., Babesia sp., Rangelia sp. e Hepatozoon sp. no baço. A avaliação morfológica e a identificação de parasitas foram realizadaa no fígado e no pulmão. Vinte espécimes de C. thous foram necropsiados no Setor de Patologia Animal do Hospital Veterinário da Universidade Federal do Espírito Santo. Amostras de tecido foram processadas para exame histopatológico e análise de reação em cadeia da polimerase (PCR). Não houve amplificação por PCR das sequências de DNA genômico de Brucella sp., Babesia sp., Rangelia sp. e Hepatozoon sp. usando-se DNA extraído do baço como modelo. Histologicamente, lesões associadas ao parasitismo por Platynosomum sp. e Angiostrongylus sp. foram observadas no fígado e no pulmão, respectivamente. Este é o primeiro relato de Platynosomum sp. e Angiostrongylus sp. parasitismo em C. thous no estado do Espírito Santo, Brasil. Portanto, este estudo demonstrou parasitismo de cachorro-do-mato por Platynosomum sp. e Angiostrongylus sp. É importante detacar que não há evidências de infecção por Brucella sp., Babesia sp., Rangelia sp. e Hepatozoon sp. por análise de PCR.
ABSTRACT The aim of this study was to investigate the occurrence of diseases in free-ranging wild canids that were roadkill on highways in the State of Espírito Santo, Brazil. PCR tests were performed for the detection of Brucella sp., Babesia sp., Rangelia sp., and Hepatozoon sp. in the spleen. Morphological evaluation and identification of parasites was performed in the liver and lung. Twenty specimens of C. thous were necropsied at the Animal Pathology Sector of the Veterinary Hospital of the Universidade Federal do Espírito Santo. Tissue samples were processed for histopathological examination and polymerase chain reaction (PCR) analysis. There was no PCR amplification of genomic DNA sequences of Brucella sp., Babesia sp., Rangelia sp., and Hepatozoon sp. using DNA extracted from the spleen as template. Histologically, lesions associated with parasitism by Platynosomum sp. and Angiostrongylus sp. were observed in the liver and lung, respectively. This is the first report of Platynosomum sp. and Angiostrongylus sp. parasitism in C. thous in the state of Espírito Santo, Brazil. Therefore, this study demonstrated parasitism of crab-eating foxes by Platynosomum sp. and Angiostrongylus sp. Importantly, no evidence of infection with Brucella sp., Babesia sp., Rangelia sp., and Hepatozoon sp. was obtained by PCR analysis.
https://doi.org/10.1590/1678-4162-12267
167 downloads
7.
Anatomic and histologic analysis of paca larynx (Cuniculus paca, Linnaeus 1766)
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Ruaro, M.A.
; Machado, M.R.F.
; Garcia, D.O.
; Oliveira, A.R.
; Dias, F.G.G.
; Gomes, S.P.
; Leal, L.M.
; Sasahara, T.H.C.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO A paca (Cuniculus paca) tem encorajado inúmeras pesquisas, tornando-a modelo experimental tanto em humanos como na veterinária, além da exploração econômica de seus cortes cárneos, que favoreceu diretamente sua importância zootécnica. Não há descrições anatômicas, microscópicas e mensurações da laringe desse roedor. Foram dissecadas oito laringes de pacas, provenientes do setor de Animais Silvestres da Faculdade de Ciências Agrárias e Veterinárias - Universidade Estadual Paulista. Observou-se que a laringe localiza-se na região ventral do pescoço, ventral ao esôfago, conectando a faringe à traqueia, possuindo formato cilíndrico e irregular. As cartilagens laríngeas (epiglote, tireóide, cricóide e aritenóidea) são interligadas e possuem formatos variados. A cartilagem tireóide demonstrou-se maior em comprimento e largura, comparativamente às demais. As cartilagens laríngeas foram submetidas a processamento histológico e coradas em hematoxilina-eosina e tricrômio de Masson. A cartilagem epiglote foi corada em azul de toluidina. As cartilagens laríngeas tireóide, cricóide e a porção inferior das aritenóides são de origem hialina; em contrapartida, a epiglote e a porção superior das aritenóides, de origem elástica. Esta última cartilagem demonstrou corpúsculos gustativos. Os resultados poderão auxiliar tanto nos atendimentos veterinários quanto nos programas de conservação desse roedor.
ABSTRACT Paca (Cuniculus paca) has encouraged research as an experimental model both in the human medicine and veterinary, as well as the economic exploitation of its meat cuts, which favored its zootechnical use. There are no anatomical, microscopic descriptions and measurements of the larynx in this rodent. Eight pacas were dissected from the wild animal’s sector of the Faculty of Agricultural and Veterinary Sciences of the University of the State of São Paulo. The larynx was observed located in the ventral region of the neck, ventral to the esophagus, connecting the pharynx to the trachea, with cylindrical and irregular shape. Laryngeal cartilages (epiglottic, thyroid, cricoid and arytenoid) are interconnected and have different shapes. Thyroid showed greater length and width, compared to the others. Laryngeal cartilages were submitted to histological processing and stained with hematoxylin-eosin and Masson's trichrome. The epiglottic cartilage was stained with toluidine blue. Laryngeal cartilages thyroid, cricoid and the lower portion of the arytenoids are of hyaline origin and, in contrast, the epiglottis and the upper portion of the arytenoids are elastic. This latter cartilage demonstrated taste buds. The results will be able to auxiliate in veterinary care and as well as the conservation programs for this rodent.
https://doi.org/10.1590/1678-4162-12156
562 downloads
8.
Morphoquantitative evaluation of the heart of cutia (Dasyprocta agouti) and capybara (Hydrochoerus hydrochaeris)
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Sasahara, T.H.C.
; Rocha, D.W.
; Abdala, F.C.M.
; Miglino, M.A.
; Rabello, V.C.
; Ruaro, M.A.
; Oliveira, A.R.
; Dias, F.G.G.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO A cutia (Dasyprocta agouti) e a capivara (Hydrochoerus hydrochaeris) são roedores histricomorfos da fauna brasileira. A anatomia de animais silvestres é essencial para a prática clínico-cirúrgica e programas conservacionistas. Este trabalho objetivou avaliar a morfologia quantitativa do coração da cutia e da capivara. Para isso, foram utilizados três corações de cutias e três de capivaras, provenientes do acervo do Setor de Anatomia dos Animais Domésticos e Silvestres da Faculdade de Medicina Veterinária e Zootecnia da Universidade de São Paulo. Os corações foram pesados e as mensurações foram realizadas com paquímetro. O volume do ventrículo esquerdo foi calculado pelo método de Cavalieri. O peso médio dos corações foi de 16,76g (cutias) e de 104,2g (capivaras). Os valores médios para as dimensões eixo, largura e base foram, para a cutia, de 4,3cm, 3,3cm e 3,3cm e para a capivara, de 7,6cm, 6,0cm e 6,1cm, respectivamente. O volume médio do ventrículo esquerdo da cutia e da capivara foi respectivamente de 5,03cm3 e de 54,55cm3. Os resultados quantitativos dos corações foram compatíveis com o peso corporal médio dos roedores. Assim, esses dados numéricos podem ser aplicados à cardiologia veterinária.
ABSTRACT The cutia (Dasyprocta agouti) and capybara (Hydrochoerus hydrochaeris ) are hystricomorphic rodents of the Brazilian fauna. The wild animal anatomy is essential to the clinic and surgery practices and conservation programs. This work aimed to evaluate the heart quantitative morphology of the cutia and the capybara. For this, three hearts of cutia and three of capybaras were used from the collection of the Anatomy Sector of Domestic and Wild Animals of the Faculty of Veterinary Medicine and Animal Science of the University of São Paulo. The hearts were weighted and measured with a pachymeter. The left ventricle volume was estimated through the Cavalieri method. The hearts’ mean weight was 16.76g (cutias) and 104.2g (capybaras). The mean values for the axis, width and base dimensions were of the cutia 4.3cm, 3.3cm and 3.3cm and for the capybara were 7.6cm, 6.0cm and 6.1cm, respectively. The mean volume of the left ventricle of the cutia and the capybara was 5.03cm3 and 54.55cm3, respectively. The quantitative results of the hearts were compatible with the average body weight of the rodents. Thus, these numerical data can be applied to veterinary cardiology.
https://doi.org/10.1590/1678-4162-11965
465 downloads
9.
Quantificação do DNA e genotipagem de biópsias de embriões bovinos Gir e Girolando produzidos in vitro
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Martins, J.M.C.L.
; Camargo, L.S.A.
; Silva, M.V.B.
; Machado, M.A.
; Reis, D.R.L.
; Quintão, C.C.R.
; Nogueira, L.A.G.
; Oliveira, C.S.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO A biópsia embrionária associada à genotipagem permite a obtenção de informações genômicas antes mesmo da transferência dos embriões. Neste estudo, foram avaliadas amostras biopsiadas de blastocistos bovinos transferidos para receptoras (n=47), sob a hipótese de que a raça (Gir ou Girolando), o estádio embrionário (blastocisto ou blastocisto expandido) e a competência para estabelecimento de prenhez (positiva ou negativa) afetariam a quantidade e a qualidade do DNA da amostra obtida. O DNA foi extraído, amplificado, quantificado por eletroferograma e genotipado. O parâmetro call rate (CR) foi adotado para mensurar a qualidade da genotipagem. Obteve-se concentração de DNA de 86,07±171,66ng/µL e CR 0,73±0,17. O CR não variou em função da quantidade de DNA nas amostras. As variáveis raça e estádio embrionário não influenciaram a concentração de DNA, nem o CR. Houve efeito da prenhez sobre o CR (P=0,0187), mas, como houve maior CR nas amostras provenientes do grupo prenhez negativa, não foi possível associar esse parâmetro à qualidade embrionária. Concluiu-se que a raça e a qualidade embrionária não afetam os parâmetros aqui estudados em amostras embrionárias, ou seja, embriões com maiores chances de implantação não refletem alta qualidade nas amostras de biópsia genotipadas.
ABSTRACT Embryo biopsy associated with genotyping allows genomic information before embryo transfer. In this study, blastocyst biopsy samples from embryos transferred to recipients (n= 47) were evaluated, under the hypothesis that breed (Gyr or Girolando), embryonic stage (blastocyst or expanded blastocyst) and competence to establish pregnancy (positive or negative) would affect the quantity and DNA quality of samples. DNA was extracted, amplified, quantified by electropherogram and genotyped. The parameter call rate (CR) was used to measure the quality of genotyping. DNA concentration of 86.07±171.66ng/μl, and CR 0.73±0.17 was obtained. CR did not vary according to the amount of DNA in the samples. The variables breed and embryonic stage had no influence on DNA concentration or CR. There was pregnancy effect on the CR (P= 0.0187), but since there was a higher CR in the samples from the negative pregnancy group, it was not possible to associate this parameter with the embryonic quality. We conclude that the breed and embryo quality do not affect the evaluated parameters in embryonic samples. Embryos with higher chances of implantation do not reflect high quality in embryo biopsy genotyped samples.
https://doi.org/10.1590/1678-4162-10642
975 downloads
10.
Manual and semiautomatic segmentation of bone sarcomas on MRI have high similarity
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Dionísio, F.C.F.
; Oliveira, L.S.
; Hernandes, M.A.
; Engel, E.E.
; Rangayyan, R.M.
; Azevedo-Marques, P.M.
; Nogueira-Barbosa, M.H.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
The aims of this study were to evaluate the intra- and interobserver reproducibility of manual segmentation of bone sarcomas in magnetic resonance imaging (MRI) studies and to compare manual and semiautomatic segmentation methods. This retrospective study included twelve osteosarcoma and eight Ewing sarcoma MRI studies performed prior to any therapeutic intervention. All cases were histopathologically confirmed. Three radiologists used 3D-Slicer software to perform manual segmentation of bone sarcomas in a blinded and independent manner. One radiologist segmented manually and also performed semiautomatic segmentation with the GrowCut tool. Segmentation exercises were timed for comparison. The dice similarity coefficient (DSC) and Hausdorff distance (HD) were used to evaluate similarity between the segmentation results and further statistical analyses were performed to compare DSC, HD, and volumetric results. Manual segmentation was reproducible with intraobserver DSC varying from 0.83 to 0.97 and HD from 3.37 to 28.73 mm. Interobserver DSC of manual segmentation showed variation from 0.73 to 0.97 and HD from 3.93 to 33.40 mm. Semiautomatic segmentation compared to manual segmentation resulted in DSCs of 0.71−0.96 and HDs of 5.38−31.54 mm. Semiautomatic segmentation required significantly less time compared to manual segmentation (P value ≤0.05). Among all situations compared, tumor volumetry did not show significant statistical differences (P value >0.05). We found excellent intra- and interobserver agreement for manual segmentation of osteosarcoma and Ewing sarcoma. There was high similarity between manual and semiautomatic segmentation, with a significant reduction of segmentation time using the semiautomatic method.
https://doi.org/10.1590/1414-431x20198962
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11.
Repercussions of adjuvant-induced arthritis on body composition, soleus muscle, and heart muscle of rats
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Brazilian Journal of Medical and Biological Research
- Métricas do periódico
This study investigated the repercussions of adjuvant-induced arthritis (AIA) on body composition and the structural organization of the soleus and cardiac muscles, including their vascularization, at different times of disease manifestation. Male rats were submitted to AIA induction by intradermal administration of 100 μL of Mycobacterium tuberculosis (50 mg/mL), in the right hind paw. Animals submitted to AIA were studied 4 (AIA4), 15 (AIA15), and 40 (AIA40) days after AIA induction as well as a control group of animals not submitted to AIA. Unlike the control animals, AIA animals did not gain body mass throughout the evolution of the disease. AIA reduced food consumption, but only on the 40th day after induction. In the soleus muscle, AIA reduced the wet mass in a time-dependent manner but increased the capillary density by the 15th day and the fiber density by both 15 and 40 days after induction. The diameter of the soleus fiber decreased from the 4th day after AIA induction as well as the capillary/fiber ratio, which was most evident on the 40th day. Moreover, AIA induced slight histopathological changes in the cardiac muscle that were more evident on the 15th day after induction. In conclusion, AIA-induced changes in body composition as well as in the soleus muscle fibers and vasculature have early onset but are more evident by the 15th day after induction. Moreover, the heart may be a target organ of AIA, although less sensitive than skeletal muscles.
https://doi.org/10.1590/1414-431x20198969
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12.
Protease inclusion in plant- and animal-based broiler diets: Performance, digestibility and biometry of digestive organs
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Carvalho, D.P.
; Leandro, N.S.M.
; Andrade, M.A.
; de Oliveira, H.F.
; Pires, M.F.
; Teixeira, K.A.
; Assunção, P.S.
; Stringhini, J.H.
.
South African Journal of Animal Science
- Métricas do periódico
The addition of protease to broiler diets may complement the action of endogenous enzymes and improve protein digestibility. Here, the authors evaluated the effect of adding protease to broiler diets that contained animal-based meal on bird performance, digestibility, and biometry of digestive tract organs. Four treatments, which contained animal- or plant-based meals with or without supplementary protease were compared, namely basal vegetable feed (BVF), BVF + protease (BFP), basal vegetable feed + animal byproduct meal (BFA), and BFA + protease. In the first experiment, 320 one-day-old Cobb 500® chicks were allocated to eight replicates with 10 birds per replicate. The experimental period was seven days, and nutrient metabolizability was evaluated. In the second experiment, 720 one-day-old Cobb 500® chicks were assigned to treatments in a similar manner, with six replicates and 30 birds per replicate, but the experimental period was 42 days. Significant differences (P <0.05) were observed between treatments for nutrient digestibility, weight gain, feed consumption, average final weight, food conversion, viability, and biometry of the pancreas. Treatments with animal-based meals had the highest digestibility. Birds fed these meals grew faster in the pre-starter phase and consumed less feed between 1 and 21 days. However, between 1 and 42 days old, broilers fed plant-based diets had better feed conversion, and the group that did not receive protease supplementation had a better liveability rate.
https://doi.org/10.4314/sajas.v50i2.12
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13.
A herbal oil in water nano-emulsion prepared through an ecofriendly approach affects two tropical disease vectors
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Ferreira, Ricardo M.A.
; Duarte, Jonatas L.
; Cruz, Rodrigo A.S.
; Oliveira, Anna E.M.F.M.
; Araújo, Raquel Silva
; Carvalho, José C.T.
; Mourão, Rosa H.V.
; Souto, Raimundo N.P.
; Fernandes, Caio P.
.
Revista Brasileira de Farmacognosia
- Métricas do periódico
ABSTRACT Lippia alba (Mill.) N.E.Br. ex Britton & P. Wilson, Verbenaceae, is considered a great source of a bioactive volatile oil. Due to the wide range of known chemotypes, its chemical analysis is very important. Among the several activities of this volatile oil, a potential larvicidal action against Culicidae species is highlighted. However, the low water miscibility of volatile oils limits their application in aqueous media. Oil in water nano-emulsions are in the spotlight of novelty to solve this main problem. Thus, the aim of the present study was to obtain this nanostructured system with L. alba volatile oil (citral chemotype) and evaluate its larvicidal activity against Aedes aegypti and Culex quinquefasciatus larvae. The major compounds were geranial (30.02%) and neral (25.26%). Low mean droplet size (117.0 ± 1.0 nm) and low polydispersity index (0.231 ± 0.004) were observed and no major changes were observed after seven days of storage. LC50 values against C. quinquefasciatus and A. aegypti third-instar larvae were respectively 38.22 and 31.02 ppm, while LC90 values were, respectively, 59.42 and 47.19 ppm. The present study makes use of a low energy, solvent-free and ecofriendly method with reduced costs. Thus, this paper contributes significantly to phyto-nanobiotechnology of larvicidal agents, opening perspectives for the utilization of L. alba volatile oil in integrated practices of vector control.
https://doi.org/10.1016/j.bjp.2019.05.003
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14.
Effects of water content and loading rate on the mechanical properties of Berea Sandstone
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Journal of the Southern African Institute of Mining and Metallurgy
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Understanding the mechanical behaviour and properties of rocks is critical for industrial operations such as blasting, fracturing, drilling, crushing, and excavating. However, the effect of water and loading rates on the mechanical properties of rocks still remains to be understood. The effects of water content on the mechanical properties of rock under different loading rates were studied. The static and dynamic mechanical behaviour of dry and saturated Berea Sandstone were examined with a quasi-static loading machine and a split Hopkinson pressure bar (SHPB). Berea Sandstone is mainly composed of quartz (87%) with about 11% porosity. Overall, static compressive strength, Young's modulus, and tensile strength were significantly greater for dry samples than for saturated ones. In the dynamic tests, tensile strength was higher in the dry samples than in the water-saturated samples, whereas water did not have a significant effect on the dynamic compressive strength. Furthermore, compared to static loading conditions, the mechanical strength and Young's modulus under dynamic loading tests were significantly higher. Our results suggest that the effect of water on mechanical properties varies with the loading rate and testing method. This provides insight into how water content and loading rate affect rock mechanical properties and behaviour.
https://doi.org/10.17159/2411-9717/446/2019
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15.
Molecular identification of Ehrlichia sp. in a beef cattle from brazilian Cerrado - case report
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Oliveira, G.
; Silveira, A.W.
; Sorgatto, S.
; Araújo, M.A.
; Antunes, T.R.
; Silva, P.M.P.
; Echeverria, J.T.
; Pupin, R.C.
; Martins, T.B.
; Souza, A.I.
; Aguiar, D.M.
; Ramos, C.A.N.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Infecções por Ehrlichia em bovinos são frequentes na África, mas também foram relatadas no Brasil e na América do Norte. Este artigo relata uma infecção natural por Ehrlichia sp. associado a Babesia bigemina e Anaplasma marginale em um bezerro, no município de Campo Grande, Mato Grosso do Sul, Brasil, o qual apresentava polioencefalomalácia. A evidência molecular, baseada em um fragmento do gene dsb, indica uma espécie de Ehrlichia geneticamente relacionada a Ehrlichia canis e outras espécies do gênero encontradas no carrapato Rhipicephalus (Boophilus) microplus e em um bezerro do Brasil (99 a 100% de identidade). Não foi possível associar os sinais clínicos à infecção por Ehrlichia devido a coinfecções e evidências histológicas de outra doença. No entanto, a circulação da bactéria em bovinos no Cerrado brasileiro foi confirmada, e mais atenção deve ser dada à suspeita clínica de patógenos transmitidos por carrapatos em bovinos para esclarecer o potencial patogênico de Ehrlichia sp.
ABSTRACT Ehrlichia infections in cattle are frequent in Africa but have also been reported in Brazil and North America. This paper reports natural infection by Ehrlichia sp. associated with Babesia bigemina and Anaplasma marginale in a calf in the municipality of Campo Grande, state of Mato Grosso do Sul, Brazil, presenting polioencephalomalacia. The molecular evidence, based on a fragment of the dsb gene, indicates a species of Ehrlichia genetically related to Ehrlichia canis and other species of the genus found in the tick Rhipicephalus (Boophilus) microplus and a calf from Brazil (99 to 100% identity). It was not possible to associate the clinical signs with Ehrlichia infection due to co-infections and histological evidence of another disease. However, the circulation of the bacteria in bovines in Brazilian Cerrado was confirmed and more attention should be given to clinical suspicion of tick-borne pathogens in cattle to clarify the pathogenic potential of Ehrlichia sp.
https://doi.org/10.1590/1678-4162-11075
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