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Canopy structure, behavioral and physiological aspects of pasture-finished sheep using castor bean cake as alternative input structure pasturefinished pasture finished
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Meneses, A.J.G.
; Pompeu, R.P.F.F.
; Salles, H.O.
; Farias, A.S.S.
; Nenem, L.H.S.
; Costa, C.S.
; Guedes, L.F.
; Maranguape, J.S.
; Pereira, P.L.
; Cândido, M.J.D.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
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ABSTRACT The purpose was to evaluate structural characteristics of pasture, behavioral aspects and physiological parameters of sheep finished on irrigated Tamani grass pasture under continuous stocking, using castor bean cake as alternative input. Structural characteristics of the pasture were assessed in a randomized block design in 2 x 2 factorial arrangement, with two sources of nitrogen fertilization (mineral - urea and organic - in natura castor bean cake) and two supplements (with or without detoxified castor bean cake), in four replications (paddocks). Behavioral aspects and physiological parameters were assessed in a randomized block design with four treatments, and repeated measures over time in eight replications (sheep). Total forage biomass, green leaf blade biomass, grazing, rumination, and idleness times, as well as respiratory rate and rectal temperature were assessed. Urea provided greater leaf blade biomass (1,807 kg DM.ha.cycle-1) and tiller population density (1,592 tillers.m-2). Grazing time reduced 65 minutes.day-1 for animals supplemented with detoxified castor bean cake and kept in pastures fertilized with urea. The use of castor bean cake did not change the physiological parameters of the animals in any of the managements evaluated and can be used as a strategic input in the finishing of sheep on pasture. stocking arrangement mineral cake, , paddocks. paddocks . (paddocks) treatments sheep. (sheep) grazing rumination times 1,807 1807 1 807 (1,80 DM.ha.cycle1 DMhacycle1 DMhacycle DM.ha.cycle DM ha cycle DM.ha.cycle-1 1,592 1592 592 (1,59 tillers.m2. tillersm2 tillersm tillers.m tillers m tillers.m-2) 6 minutes.day1 minutesday1 minutesday minutes.day minutes day minutes.day- (paddocks (sheep 1,80 180 80 (1,8 cycle1 DM.ha.cycle- 1,59 159 59 (1,5 m2 tillers.m2 tillers.m-2 day1 1,8 18 8 (1, 1,5 15 5 tillers.m- 1, (1 (
RESUMO Objetivou-se avaliar as características estruturais da pastagem, os aspectos comportamentais e os parâmetros fisiológicos de ovinos terminados em pastagem irrigada de capim Tamani sob lotação contínua, utilizando-se torta de mamona como insumo alternativo. As características estruturais da pastagem foram avaliadas em delineamento em blocos ao acaso, em arranjo fatorial 2 x 2, com duas fontes de adubação nitrogenada (mineral - ureia e orgânica - torta de mamona in natura) e dois suplementos (com ou sem torta de mamona desintoxicada), em quatro repetições (piquetes). Os aspectos comportamentais e os parâmetros fisiológicos foram avaliados em delineamento em blocos ao acaso, com quatro tratamentos e medidas repetidas no tempo em oito repetições (ovinos). Foram avaliados a biomassa total de forragem, a biomassa de lâmina foliar verde, os tempos de pastejo, a ruminação e o ócio, bem como a frequência respiratória e a temperatura retal. A ureia proporcionou maior biomassa de lâmina foliar (1.807kg MS.ha.ciclo-1) e densidade populacional de perfilhos (1.592 perfilhos.m-2). O tempo de pastejo reduziu 65 minutos.dia-1 para animais suplementados com torta de mamona desintoxicada e mantidos em pastagens fertilizadas com ureia. A torta de mamona não alterou os parâmetros fisiológicos dos animais em nenhum dos manejos avaliados, podendo ser utilizada como insumo estratégico na terminação de ovinos a pasto. Objetivouse Objetivou se contínua utilizandose utilizando alternativo acaso mineral natura desintoxicada, , desintoxicada) piquetes. piquetes . (piquetes) ovinos. (ovinos) forragem verde ócio retal 1.807kg 1807kg kg 1 807kg MS.ha.ciclo1 MShaciclo1 MShaciclo MS.ha.ciclo MS ha ciclo MS.ha.ciclo-1 1.592 1592 592 (1.59 perfilhos.m2. perfilhosm2 perfilhosm perfilhos.m m perfilhos.m-2) 6 minutos.dia1 minutosdia1 minutosdia minutos.dia minutos dia minutos.dia- pasto (piquetes (ovinos ciclo1 MS.ha.ciclo- 1.59 159 59 (1.5 m2 perfilhos.m2 perfilhos.m-2 dia1 1.5 15 5 (1. perfilhos.m- 1. (1 (
2.
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
3.
Physical activity reduces intradermal bacterial load in a murine model submitted to forced swim training – a pilot study
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GALANTINI, MARIA P.L.
; LEAL, LORENA S.
; RODRIGUES, KARINE B.
; RIBEIRO, ISRAEL S.
; PEREIRA, ITALO S.
; GONÇALVES, CAROLINE V.
; CALADO, STÉFANO P.M.
; SANTOS, DENISAR P. DOS
; MUNIZ, IGOR P.R.
; SILVA, ROBSON A.A. DA
.
Anais da Academia Brasileira de Ciências
- Métricas do periódico
Abstract Regular exercise is beneficial to health. This study evaluated the effects of moderate and intense physical exercise modalities on intradermal infection by Staphylococcus aureus in a murine model. Mice that practiced moderate exercise had lower bacterial load on lymph nodes and less inflammatory infiltrate in dermis. They presented greater weight, however, less amount of epididymal fat: the weight was increased while they had fat diminished. A positive correlation was observed between lipid content and bacterial load in mice trained at moderate intensity. Animals that were under high intensity exercises presented superior bacterial load on the lymph nodes, increased neutrophil count and circulating lymphocytes, and had leukocyte recruitment to the dermis augmented, when compared to the ones in moderate exercise. These findings suggest that moderate physical activity modulates the immune response in dermal infection caused by S. aureus in a murine model.
4.
Destoxificação e perfil nutricional da torta de mamona destoxificada por diferentes soluções alcalinas
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Araújo, R.A.
; Neiva, J.N.M.
; Rogério, M.C.P.
; Cândido, M.J.D.
; Egito, A.S.
; Pereira, P.L.
; Lucas, R.C.
; Pompeu, R.C.F.F.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Objetivou-se avaliar a destoxificação da torta de mamona bruta (TMB), por meio de dois produtos alcalinos em diferentes concentrações, e seus efeitos sobre a composição química, a degradabilidade in situ da MS e o fracionamento de proteínas. Utilizou-se o hidróxido de cálcio [Ca(OH)2] e o hidróxido de sódio (NaOH) em duas concentrações (60 e 90 gramas), diluídos em quatro quantidades de água (1.000; 1.500; 2.000 e 2.500mL de água por quilo de TMB). Observou-se que, das diferentes concentrações utilizadas, somente a utilização de 90 e 60 gramas de Ca(OH)2 e NaOH, respectivamente, conseguiu destoxificar 100% da TMB, ambas diluídas em 2.000mL de água. Por outro lado, ao avaliar o tempo mínimo de contato dos reagentes com a TMB para uma máxima destoxificação, observou-se que três horas de contato é o tempo necessário para os reagentes diminuírem em 100% as proteínas citotóxicas, além de não deixar atividade hemaglutinante nesse material. A destoxificação com o NaOH proporcionou maior degradação das proteínas solúveis e da matéria seca, favorecendo a disponibilização do nitrogênio não proteico, estando sua aplicação em escala industrial na dependência de estudos sobre viabilidade operacional e econômica.
ABSTRACT This study aimed to evaluate the detoxification of crude castor (DCC) through two alkaline products in different concentrations and their effects on the chemical composition, in situ degradability of DM and the fractionation of proteins. We used the calcium hydroxide [Ca(OH)2] and sodium hydroxide (NaOH) in two concentrations (60 and 90 grams) diluted in 4 quantities of water (1,000; 1,500; 2,000 and 2,500ml of water per kilo of DCC). It was observed that in the different concentrations used, only the use of 90 and 60 grams of Ca(OH)2 and NaOH, respectively managed to detoxify 100% of the DCC, both diluted in 2,000ml of water. On the other hand, when assessing the minimum time of contact of the reagents with the DCC for maximum detoxification, it was observed that with three hours of contact is the time required for the reagents decrease in 100% of the cytotoxic proteins, in addition to not leave haemagglutinating activity in this material. The detoxification with NaOH provided greater degradation of soluble proteins and degradation of dry matter, favoring the provision of non-protein nitrogen, while its application on an industrial scale is in the dependence of studies on operational feasibility and cost.
https://doi.org/10.1590/1678-4162-11418
581 downloads
5.
Ultrassonografia no auxílio do diagnóstico de vesiculite seminal em touros de corte
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Oliveira, Rui P.L.
; Favaro, Patricia C.
; Pereira, Gabriel R.
; Barca Jr, Flávio A.
; Borges, Marcelo H.F.
; Galdioli, Victor Hugo G.
; Koetz Jr, Celso
.
RESUMO: A vesiculite é um processo inflamatório das glândulas vesiculares, podendo ser unilateral ou bilateral, que acomete reprodutores. O objetivo do presente trabalho foi avaliar a utilização da ultrassonografia como meio de diagnóstico precoce das alterações das vesículas seminais em touros. O presente trabalho foi realizado no município de Videira, Santa Catarina. Analisou-se um total 42 reprodutores, com média de idade de 15 meses, das raças Aberdeen Angus e Polled Hereford em semi-confinamento. Foi realizado exame clinico do estado geral dos animais e exame andrológico dos reprodutores. As amostras de sêmen para a realização do exame das características físicas do ejaculado foram obtidas por eletroejaculação. Através da palpação retal, realizou-se a avaliação das glândulas vesiculares por ultrassonografia. A análise estatística dos dados foi realizada por meio de análise de variância (ANOVA) para comparação entre médias com nível de significância de 5%. A presença de vesiculite foi observada em 31 animais (73,8%) dos 42 analisados. Dos 31 animais portadores 11 animais (35,5%) apresentaram vesiculite bilateral e 20 apresentaram vesiculite unilateral (64,5%; P<0,05). Animais com perímetro escrotal maior tendem a desenvolver vesiculite unilateral, tal fato pode ser explicado pela precocidade sexual agravado pela sodomia entre os animais. O uso do ultrassom auxilia de forma preventiva a detecção de animais portadores de vesiculite em reprodutores.
ABSTRACT: The vesiculite is an inflammatory process of the vesicular glands, unilateral or bilateral, that affects bulls. The purpose of this study was to evaluate the use of ultrasound as a complementary method for early detection of changes in seminal vesicles in bulls. This study was conducted in the municipality of Videira, Santa Catarina. We evaluated 42 bulls, with an average age of 15 months, Aberdeen Angus and Polled Hereford breeds and in semi-confinement. Clinical animal examination and andrological exam were performed in all animals. Semen samples were obtained by electroejaculation and physical characteristics of the ejaculate were performed. Rectal palpation was performed by ultrasonography to evaluate vesicular glands changes. Statistical analysis of the data was performed using analysis of variance (ANOVA) for comparison between means with significance level of 5%. The presence of vesiculitis was observed in 31 (73.8%) from the 42 analyzed bulls. Of the 31 animals, 11 animals (35.5%) presented bilateral vesiculitis and 20 showed unilateral vesiculitis (64.5%; P<0.05). Animals with a larger scrotal perimeter tend to develop unilateral vesiculitis, which can be explained by the sexual precocity observed by sodomy among animals. In this way, the use of ultrasound helps preventively to detect animals with vesiculitis in breeding animals.
https://doi.org/10.1590/1678-5150-pvb-5414
5170 downloads
6.
Allogenic mesenchymal stem cell intravenous infusion in reparation of mild intestinal ischemia/reperfusion injury in New Zealand rabbits
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Oliveira, Alvaro P.L.
; Rangel, Julia P.P.
; Raposo, Viviane
; Pianca, Noely G.
; Cruz, Emanuelle P.
; Pereira Neto, Evandro
; Fiorio, Wagner A.B.
; Monteiro, Betânia S.
.
RESUMO: O presente estudo teve como principal objetivo avaliar a eficácia da infusão células tronco mesenquimais (CTM) derivada de tecido adiposo sobre diminuição das lesões teciduais locais e remotas, causadas pelo evento de I/R intestinal experimental, em coelhos da raça Nova Zelândia. Para obtenção, cultivo e caracterização das CTM provenientes de tecido adiposo (ADCTM) foram utilizados 3 animais jovens. As células foram consideradas viáveis para terapia a partir da quarta passagem (fase in vitro). Para etapa in vivo foram utilizados 24 animais, adulto-jovens, pesando aproximadamente 3,5kg, divididos aleatoriamente em dois grupos experimentais, denominados IR Tratado com CTM (I2H/R5H CTM 3D; I2H/R5H CTM 7D); IR Tratado PBS (I2H/R5H PBS 3D; I2H/R5H PBS 7D). Os animais foram anestesiados e submetidos à celiotomia mediana pré-retroumbilical. A artéria marginal peri-intestinal extramural foi localizada e clampeada (região predeterminada e padronizada) com auxílio de um clipe vascular, promovendo uma interrupção do fluxo sanguíneo durante 2 horas. Após esse período, o fluxo sanguíneo foi restabelecido, a anestesia inalatória suspendida e os animais despertados. Após 5 horas de reperfusão realizou-se os tratamentos por infusão endovenosa, conforme grupos experimentais. Os animais foram avaliados 72 horas e sete dias após o tratamento quanto ao aspecto macroscópico (coloração e peristaltismo) do segmento jejunal e por meio de avaliação histológica do segmento isquemiado quanto à presença ou ausência de destruição de mucosa intestinal, edema, hemorragia, dilatação de vasos linfáticos e presença de células inflamatórias polimorfornucleares, tanto em mucosa quanto submucosa. Os resultados observados revelaram que os grupos tratados com ADCTM obtiveram menores lesões em mucosa e submucosa quando comprados aos grupos tratados com PBS. Ainda os grupos tratados com ADCTM obtiveram resposta inflamatória controlada e maior taxa mitótica, resultados relacionados ao potencial terapêutico das CTM.
ABSTRACT: The present study aimed to evaluate the efficacy of mesenchymal stem cell (MSC) infusion, derived from adipose tissue, on reduction of local and remote tissue damage caused by the event of experimental intestinal I/R in New Zealand breed rabbits. For obtaining, characterization, and cultivation of MSC derived from adipose tissue (MSC-Adp), 3 juvenile animals (four months old) were used. The cells were considered to be viable for therapy after the fourth passage (in vitro phase). For the in vivo stage, 24 young adult animals (six months old) were used, weighing approximately 3.5 kg, in which were randomly divided into two groups, called: IR treated with MSC (I2H/R5H MSC 3D; I2H/R5H MSC 7D); IR treated with PBS (I2H/R5H PBS 3D; I2H/R5H PBS 7D). The animals were anesthetized and submitted to pre-retro-umbilical midline celiotomy. The extramural peri-intestinal marginal artery was located and clamped (predetermined and standardized region) with the aid of a vascular clip, promoting a 2 hour blood flow interruption. After this period, blood flow was reestablished, inhalatory anesthesia was suspended, and the animals awaken. After 5 hours of reperfusion, the treatments were performed by intravenous infusion according to the experimental groups. The animals were evaluated 72 hours and seven days after the treatment as for the macroscopic appearance (color and peristaltism) of the jejunal segment, and by histological evaluation of the ischemic segment for the presence or absence of destruction of the intestinal mucosa, edema, bleeding, dilation of lymph vessels, and presence of polymorphonuclear inflammatory cells, both in the mucosa and submucosa. The observed results revealed that the groups treated with MSC-Adp obtained smaller mucosal and submucosal lesions when compared to the groups treated with PBS. Also, MSC-Adp treated groups obtained controlled inflammatory response and higher mitotic rate, outcomes related to the therapeutic potential of MSC. Infusion of stem cells attenuated the lesions caused by intestinal I/R in both MSC groups when compared to the group treated with PBS.
https://doi.org/10.1590/1678-5150-pvb-5061
698 downloads
7.
Tiller density and tillering on Brachiaria brizantha cv. Marandu pastures inoculated with Azospirillum brasilense
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Pedreira, B.C.
; Barbosa, P.L.
; Pereira, L.E.T.
; Mombach, M.A.
; Domiciano, L.F.
; Pereira, D.H.
; Ferreira, A.
.
Arquivo Brasileiro de Medicina Veterinária e Zootecnia
- Métricas do periódico
RESUMO Objetivou-se com este estudo verificar a densidade populacional e a dinâmica do perfilhamento em dosséis de capim Marandu submetidos a estratégias de adubação nitrogenada, caracterizadas pelo fornecimento de N via ureia ou inoculante (Azospirillum brasilense). Os tratamentos foram quatro estratégias de adubação nitrogenada: sem fertilização, 80kg N/ha, inoculante (A. brasilense) e 80kg N/ha + inoculante, distribuídos em um delineamento de blocos completos ao acaso, com três repetições por tratamento. As estratégias de aporte nitrogenado foram avaliadas em seis épocas: outubro, novembro e dezembro de 2012; e janeiro, março e abril de 2013. Não foi verificada influência da dose de nitrogênio ou do inoculante sobre a taxa de aparecimento (TAP), a taxa de mortalidade (TMP), a taxa de sobrevivência (TSP) e a densidade populacional de perfilhos (DPP). No entanto, essas variáveis foram influenciadas pela época do ano. A TAP e a TSP apresentaram maiores valores no início do período experimental (outubro) e menor valor ao final do período (março a abril). A TMP e a DPP expressaram respostas opostas, com menores valores em outubro e maiores a partir de janeiro. Não houve influência do nitrogênio e do inoculante sobre a dinâmica populacional de perfilhos em capim Marandu.
ABSTRACT The objective of this study is to verify the population density and the dynamics of tillering in the Marandu palisade grass sward subjected to nitrogen (N) fertilization strategies, characterized by the N supply via urea or bacterial inoculant (Azospirillum brasilense). The treatments comprised of four nitrogen fertilization strategies: (A) Without fertilization, (B) 80 kg N/ha, (C) inoculant (A. brasilense), and (D) 80 kg N/ha + inoculant, distributed in a randomized complete block design, with three replications. The nitrogen supply strategies were evaluated during six periods: October, November, and December (2012) as well as January, March, and April (2013). The nitrogen dose or inoculant had no effect on the tiller appearance rate (TAR), tiller mortality rate (TMR), tiller survival rate (TSR), or tiller population density (TPD). However, these variables were influenced by the season. The TAR and TSR were higher at the beginning of the experimental period (October) and lower towards the end of the period (March-April), whereas, TMR and TPD exhibited the opposite behavior, with lower values in October and higher from January onward. Neither the nitrogen nor the inoculant influenced the population dynamics of the tillers in Marandu palisade grass.
https://doi.org/10.1590/1678-4162-9034
1484 downloads
8.
Amburana cearensis seed extracts protect PC-12 cells against toxicity induced by glutamate
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Pereira, Erica P.L.
; Braga-de-Souza, Suzana
; Santos, Cleonice C.
; Santos, Leticia O.
; Cerqueira, Martins D.
; Ribeiro, Paulo R.
; Fernandez, Luzimar G.
; Silva, Victor D.A.
; Costa, Silvia L.
.
Revista Brasileira de Farmacognosia
- Métricas do periódico
ABSTRACT Amburana cearensis (Allemão) A.C. Sm., Fabaceae, has been widely studied for its medicinal activities. Many neurodegenerative disorders are caused by oxidative stress, mitochondrial dysfunction, excitotoxicity induced by glutamate and ultimately cell death. This study describes the chemical profile of the ethanolic, hexane, dichloromethane, and ethyl acetate extracts obtained from seeds of A. cearensis. The objective of this study was to investigate the chemical profile of extracts obtained from seeds of A. cearensis, as well as their cytotoxicity and neuroprotective effects in cultures of neural PC12 cells. Metabolite profile was performed by GC–MS. PC12 cells were treated with increasing concentrations of the extracts (0.01–2000 µg/ml) and the cell viability was analyzed after 24 and 72 h using an MTT test. For the excitotoxicity assay, PC12 cells were pre-treated with glutamate (1 mM) for 6 h and treated with increasing concentrations (0.1–1000 µg/ml) of the extracts. The chromatographic analysis of the extracts detected various compounds with antioxidant properties, with the majority of peaks corresponding to the isoflavone coumarin. Only the hexane extract showed toxicity after 72 h exposure at the highest concentration (1000 µg/ml). By contrast, all extracts increased the cellular viability of PC12 cells against the toxicity caused by glutamate. Therefore, the extracts from the seeds of A. cearensis showed no toxicity and have neuroprotective potential against neuronal damage induced by glutamate, which may be related to their antioxidant properties.
https://doi.org/10.1016/j.bjp.2016.08.010
1045 downloads
9.
35 years of the Brazilian Journal of Medical and Biological Research
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Rego, E.M.
; Pereira Leite, J.
; Bensenor, I.
; Chammas, R.
; Nogueira de Francischi, J.
; da Luz, P.L.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
The authors pay homage to the three founders of the Brazilian Journal of Medical and Biological Research Profs. Lewis Joel Greene, Sérgio Henrique Ferreira and Eduardo Moacyr Krieger for their vision and commitment to divulge the scientific production of developing countries.
https://doi.org/10.1590/1414-431x20166153
1499 downloads
10.
Densidade de fêmeas de Palmistichus elaeisis Delvare & LaSalle, 1993 (Hymenoptera: Eulophidae) para sua reprodução em pupas de Anticarsia gemmatalis Hübner, 1818 (Lepidoptera: Noctuidae)
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A densidade de parasitoides por hospedeiro influencia nas suas principais características biológicas. Assim, o objetivo desse trabalho foi avaliar o desenvolvimento do parasitoide Palmistichus elaeisis Delvare & LaSalle, 1993 (Hymenoptera: Eulophidae) em pupas de Anticarsia gemmatalis Hübner, 1818 (Lepidoptera: Noctuidae) expostas nas densidades de 1:1, 2:1, 4:1, 6:1, 8:1, 10:1 ou 12:1 parasitoides/hospedeiro, respectivamente. Os parasitoides permaneceram em contato com as pupas por 24 horas em tubos de vidro (14,0 x 2,2 cm), acondicionadas em câmara climatizada a 25 ± 1º C, 70 ± 10% de UR e fotofase de 14 horas. Observou-se 54,54 e 90,90% de pupas parasitadas nas densidades de 1:1 e 2:1, respectivamente, e 100,00% nas demais densidades com melhor índice de emergência (72,72%) na densidade 6:1. A duração do ciclo de vida (ovo-adulto) decresceu com o aumento da densidade de fêmeas e variou de 20 a 22 dias. A progênie variou de 16 a 225 descendentes por pupa, com melhor resultado na densidade 8:1. A razão sexual do parasitoide variou de 0,95 ± 0,00 a 0,97 ± 0,01, sem diferença significativa e o comprimento do corpo de fêmeas e de machos variou de 1,95 ± 0,02 a 2,22 ± 0,03 mm e de 1,49 ± 0,02 a 1,87 ± 0,01 mm, respectivamente. Seis a oito fêmeas de P. elaeisis por pupa de A. gemmatalis proporcionam maior emergência e progênie do parasitoide, viabilizando sua criação massal.
The density of parasitoids per host affects their biological characteristics. The present study aimed to evaluate the development of Palmistichus elaeisis Delvare & LaSalle, 1993 (Hymenoptera: Eulophidae) in Anticarsia gemmatalis Hübner, 1818 (Lepidoptera: Noctuidae) pupae exposed to 1:1, 2:1, 4:1, 6:1, 8:1, 10:1 or 12:1 females/ host, respectively. The parasitoid remained in contact with pupae for 24 h in glass tubes (14.0 x 2.2 cm), packed in a climate controlled chamber regulated at 25 ± 1ºC, 70 ± 10% relative humidity and photophase of 14 hours. We observed 54.54 and 90.90% of pupae parasitized at densities of 1:1 and 2:1, respectively, and 100.00% in the other densities with a better emergence index (72.72%) at a density of 6:1. The duration of the (egg-adult) life cycle decreased with increasing density of females and varied from 20 to 22 days. The offspring varied from 16 to 225 descendants per A. gemmatalis pupae with best results at the density 8:1. The sex ratio of the parasitoid varied from 0.95 ± 0.00 to 0.97 ± 0.01 without significant differences, and the body length of females and of males varied from 1.95 ± 0.02 to 2.22 ± 0.03 mm and 1.49 ± 0.02 to 1.87 ± 0.01 mm, respectively. Six to eight of P. elaeisis females per A. gemmatalis pupae provide more emergence and offspring of the parasitoid, allowing for its mass rearing.
1604 downloads
11.
Effect of high-fat diets on body composition, lipid metabolism and insulin sensitivity, and the role of exercise on these parameters
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Coelho, D.F.
; Pereira-Lancha, L.O.
; Chaves, D.S.
; Diwan, D.
; Ferraz, R.
; Campos-Ferraz, P.L.
; Poortmans, J.R.
; Lancha Junior, A.H.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
Dietary fat composition can interfere in the development of obesity due to the specific roles of some fatty acids that have different metabolic activities, which can alter both fat oxidation and deposition rates, resulting in changes in body weight and/or composition. High-fat diets in general are associated with hyperphagia, but the type of dietary fat seems to be more important since saturated fats are linked to a positive fat balance and omental adipose tissue accumulation when compared to other types of fat, while polyunsaturated fats, omega-3 and omega-6, seem to increase energy expenditure and decrease energy intake by specific mechanisms involving hormone-sensitive lipase, activation of peroxisome proliferator-activated receptor α (PPARα) and others. Saturated fat intake can also impair insulin sensitivity compared to omega-3 fat, which has the opposite effect due to alterations in cell membranes. Obesity is also associated with impaired mitochondrial function. Fat excess favors the production of malonyl-CoA, which reduces GLUT4 efficiency. The tricarboxylic acid cycle and beta-oxidation are temporarily uncoupled, forming metabolite byproducts that augment reactive oxygen species production. Exercise can restore mitochondrial function and insulin sensitivity, which may be crucial for a better prognosis in treating or preventing obesity.
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12.
Prevalence of metabolic syndrome and its association with educational inequalities among Brazilian adults: a population-based study
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Gronner, M.F.
; Bosi, P.L.
; Carvalho, A.M.
; Casale, G.
; Contrera, D.
; Pereira, M.A.
; Diogo, T.M.
; Torquato, M.T.C.G.
; Souza, G.M.D.
; Oishi, J.
; Leal, A.M.O.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
The present study estimated the prevalence of metabolic syndrome (MS) according to the criteria established by the National Cholesterol Education Program-Adult Treatment Panel III (NCEP-ATPIII) and the International Diabetes Federation (IDF) and analyzed the contribution of social factors in an adult urban population in the Southeastern region of Brazil. The sample plan was based on multistage probability sampling according to family head income and educational level. A random sample of 1116 subjects aged 30 to 79 years was studied. Participants answered a questionnaire about socio-demographic variables and medical history. Fasting capillary glucose (FCG), total cholesterol, high-density lipoprotein cholesterol (HDL-C), and triglycerides were determined and all non-diabetic subjects were submitted to the 75-g oral glucose tolerance test. Body mass index (BMI, kg/m²), waist circumference and blood pressure (BP) were determined. Age- and gender-adjusted prevalence of MS was 35.9 and 43.2% according to NCEP-ATPIII and IDF criteria, respectively. Substantial agreement was found between NCEP-ATPIII and IDF definitions. Low HDL-C levels and high BP were the most prevalent MS components according to NCEP-ATPIII criteria (76.3 and 59.2%, respectively). Considering the diagnostic criteria adopted, 13.5% of the subjects had diabetes and 9.7% had FCG ≥100 mg/dL. MS prevalence was significantly associated with age, skin color, BMI, and educational level. This cross-sectional population-based study in the Southeastern region of Brazil indicates that MS is highly prevalent and associated with an important social indicator, i.e., educational level. This result suggests that in developing countries health policy planning to reduce the risk of MS, in particular, should consider improvement in education.
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13.
A simple HPLC-fluorescence method for the measurement of R,S-sotalol in the plasma of patients with life-threatening cardiac arrhythmias
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Santos, S.R.
; Papini, O.
; Omosako, C.E.
; Pereira, M.D.
; Quintavalle, T.B.G.
; Riccio, M.F.
; Kurata, A.
; Pereira, V.A.
; Di-Pietro, G.
; Della-Paschoa, O.E.
; Danhof, M.
; Da-Luz, P.L.
.
Brazilian Journal of Medical and Biological Research
- Métricas do periódico
R,S-sotalol, a ß-blocker drug with class III antiarrhythmic properties, is prescribed to patients with ventricular, atrial and supraventricular arrhythmias. A simple and sensitive method based on HPLC-fluorescence is described for the quantification of R,S-sotalol racemate in 500 µl of plasma. R,S-sotalol and its internal standard (atenolol) were eluted after 5.9 and 8.5 min, respectively, from a 4-micron C18 reverse-phase column using a mobile phase consisting of 80 mM KH2PO4, pH 4.6, and acetonitrile (95:5, v/v) at a flow rate of 0.5 ml/min with detection at <FONT FACE="Symbol">l</font>ex = 235 nm and <FONT FACE="Symbol">l</font>em = 310 nm, respectively. This method, validated on the basis of R,S-sotalol measurements in spiked blank plasma, presented 20 ng/ml sensitivity, 20-10,000 ng/ml linearity, and 2.9 and 4.8% intra- and interassay precision, respectively. Plasma sotalol concentrations were determined by applying this method to investigate five high-risk patients with atrial fibrillation admitted to the Emergency Service of the Medical School Hospital, who received sotalol, 160 mg po, as loading dose. Blood samples were collected from a peripheral vein at zero, 0.5, 1.0, 1.5, 2.0, 3.0, 4.0, 6.0, 8.0, 12.0 and 24.0 h after drug administration. A two-compartment open model was applied. Data obtained, expressed as mean, were: CMAX = 1230 ng/ml, TMAX = 1.8 h, AUCT = 10645 ng h-1 ml-1, Kab = 1.23 h-1, <FONT FACE="Symbol">a</font> = 0.95 h-1, ß = 0.09 h-1, t(1/2)ß = 7.8 h, ClT/F = 3.94 ml min-1 kg-1, and Vd/F = 2.53 l/kg. A good systemic availability and a fast absorption were obtained. Drug distribution was reduced to the same extent in terms of total body clearance when patients and healthy volunteers were compared, and consequently elimination half-life remained unchanged. Thus, the method described in the present study is useful for therapeutic drug monitoring purposes, pharmacokinetic investigation and pharmacokinetic-pharmacodynamic sotalol studies in patients with tachyarrhythmias.
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