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[SciELO Preprints] - Guidelines on the Diagnosis and Treatment of Hypertrophic Cardiomyopathy – 2024
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Fernandes, Fabio
Simões, Marcus V.
Correia, Edileide de Barros
Marcondes-Braga, Fabiana G.
Coelho-Filho, Otavio Rizzi
Mesquita, Cláudio Tinoco
Mathias-Junior, Wilson
Rochitte, Carlos Eduardo
Ramires, Felix José Alvarez
Alves, Silvia Marinho Martins
Montera, Marcelo Westerlund
Lopes, Renato Delascio
Oliveira-Junior, Mucio Tavares
Scolari, Fernando L.
Avila, Walkiria Samuel
Canesin, Manoel Fernandes
Bacal, Fernando
Bocchi, Edimar Alcides
Moura, Lídia Ana Zytynski
Saad, Eduardo Benchimol
Scanavacca, Mauricio I.
Valdigem, Bruno Pereira
Cano , Manuel Nicolas
Abizaid , Alexandre
Ribeiro, Henrique Barbosa
Lemos-Neto, Pedro Alves
Ribeiro, Gustavo Calado de Aguiar
Jatene, Fabio Biscegli
Dias, Ricardo Ribeiro
Beck-da-Silva, Luis
Rohde, Luis Eduardo P.
Bittencourt, Marcelo Imbroinise
Pereira, Alexandre
Krieger, José Eduardo
Villacorta, Humberto
Martins, Wolney de Andrade
Figueiredo-Neto, José Albuquerque de
Cardoso , Juliano Novaes
Pastore, Carlos Alberto
Jatene, Ieda Biscegli
Tanaka, Ana Cristina Sayuri
Hotta, Viviane Tiemi
Romano, Minna Moreira Dias
Albuquerque, Denilson Campos de
Mourilhe-Rocha, Ricardo
Hajjar, Ludhmila Abrahão
Brito, Fabio Sandoli de
Caramelli , Bruno
Calderaro, Daniela
Farsky, Pedro Silvio
Colafranceschi , Alexandre Siciliano
Pinto, Ibraim Masciarelli
Vieira , Marcelo Luiz Campos
Danzmann, Luiz Claudio
Barberato , Silvio Henrique
Mady, Charles
Martinelli-Filho, Martino
Torbey , Ana Flavia Malheiros
Schwartzmann, Pedro Vellosa
Macedo, Ariane Vieira Scarlatelli
Ferreira , Silvia Moreira Ayub
Schmidt, Andre
Melo , Marcelo Dantas Tavares de
Lima-Filho, Moysés Oliveira
Sposito, Andrei C.
Brito, Flavio de Souza
Biolo, Andreia
Madrini-Junior, Vagner
Rizk, Stéphanie Itala
Mesquita, Evandro Tinoco
A cardiomiopatia hipertrófica (CMH) é uma forma de doença do músculo cardíaco de causa genética, caracterizada pela hipertrofia das paredes ventriculares. O diagnóstico requer detecção por métodos de imagem (Ecocardiograma ou Ressonância Magnética Cardíaca) de qualquer segmento da parede do ventrículo esquerdo com espessura > 15 mm, sem outra causa provável. A análise genética permite identificar mutações de genes codificantes de diferentes estruturas do sarcômero responsáveis pelo desenvolvimento da CMH em cerca de 60% dos casos, permitindo o rastreio de familiares e aconselhamento genético, como parte importante do manejo dos pacientes e familiares. Vários conceitos sobre a CMH foram recentemente revistos, incluindo sua prevalência de 1 em 250 indivíduos, não sendo, portanto, uma doença rara, mas subdiagnosticada. A vasta maioria dos pacientes é assintomática. Naqueles sintomáticos, a obstrução do trato de saída do ventrículo esquerdo (OTSVE) é o principal distúrbio responsável pelos sintomas, devendo-se investigar a sua presença em todos os casos. Naqueles em que o ecocardiograma em repouso ou com Manobra de Valsalva não detecta gradiente intraventricular significativo (> 30 mmHg), devem ser submetidos à ecocardiografia com esforço físico para detecção da OTSVE. Pacientes com sintomas limitantes e grave OTSVE, refratários ao uso de betabloqueadores e verapamil, devem receber terapias de redução septal ou uso de novas drogas inibidoras da miosina cardíaca. Por fim, os pacientes adequadamente identificados com risco aumentado de morta súbita podem receber medida profilática com implante de cardiodesfibrilador implantável (CDI).
La miocardiopatía hipertrófica (MCH) es una forma de enfermedad cardíaca de origen genético, caracterizada por el engrosamiento de las paredes ventriculares. El diagnóstico requiere la detección mediante métodos de imagen (Ecocardiograma o Resonancia Magnética Cardíaca) que muestren algún segmento de la pared ventricular izquierda con un grosor > 15 mm, sin otra causa probable. El análisis genético permite identificar mutaciones en genes que codifican diferentes estructuras del sarcómero responsables del desarrollo de la MCH en aproximadamente el 60% de los casos, lo que permite el tamizaje de familiares y el asesoramiento genético, como parte importante del manejo de pacientes y familiares. Varios conceptos sobre la MCH han sido revisados recientemente, incluida su prevalencia de 1 entre 250 individuos, por lo tanto, no es una enfermedad rara, sino subdiagnosticada. La gran mayoría de los pacientes son asintomáticos. En los casos sintomáticos, la obstrucción del tracto de salida ventricular izquierdo (TSVI) es el trastorno principal responsable de los síntomas, y su presencia debe investigarse en todos los casos. En aquellos en los que el ecocardiograma en reposo o la maniobra de Valsalva no detecta un gradiente intraventricular significativo (> 30 mmHg), deben someterse a ecocardiografía de esfuerzo para detectar la obstrucción del TSVI. Los pacientes con síntomas limitantes y obstrucción grave del TSVI, refractarios al uso de betabloqueantes y verapamilo, deben recibir terapias de reducción septal o usar nuevos medicamentos inhibidores de la miosina cardíaca. Finalmente, los pacientes adecuadamente identificados con un riesgo aumentado de muerte súbita pueden recibir medidas profilácticas con el implante de un cardioversor-desfibrilador implantable (CDI).
Hypertrophic cardiomyopathy (HCM) is a form of genetically caused heart muscle disease, characterized by the thickening of the ventricular walls. Diagnosis requires detection through imaging methods (Echocardiogram or Cardiac Magnetic Resonance) showing any segment of the left ventricular wall with a thickness > 15 mm, without any other probable cause. Genetic analysis allows the identification of mutations in genes encoding different structures of the sarcomere responsible for the development of HCM in about 60% of cases, enabling screening of family members and genetic counseling, as an important part of patient and family management. Several concepts about HCM have recently been reviewed, including its prevalence of 1 in 250 individuals, hence not a rare but rather underdiagnosed disease. The vast majority of patients are asymptomatic. In symptomatic cases, obstruction of the left ventricular outflow tract (LVOT) is the primary disorder responsible for symptoms, and its presence should be investigated in all cases. In those where resting echocardiogram or Valsalva maneuver does not detect significant intraventricular gradient (> 30 mmHg), they should undergo stress echocardiography to detect LVOT obstruction. Patients with limiting symptoms and severe LVOT obstruction, refractory to beta-blockers and verapamil, should receive septal reduction therapies or use new drugs inhibiting cardiac myosin. Finally, appropriately identified patients at increased risk of sudden death may receive prophylactic measure with implantable cardioverter-defibrillator (ICD) implantation.
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.
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; Linzmeier, Adelita M.
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; 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.
Reproductive behavior of Pantaneiros sheep, Mato Grosso do Sul, Brazil
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Martins, Charles Ferreira
; Santiago Filho, Arnaldo
; Ferreira, Marcos Barbosa
; Fernandes, Carlos Eurico dos Santos
; Monreal, Antonio Carlos Duenhas
; Souza, Carla Giselly de
; Chagas, Renata Alves das
; Vargas Junior, Fernando Miranda de
.
ABSTRACT. The objective was to evaluate fertility, cyclicality behavior, and sexual performance of Pantaneiro sheep throughout the year’s photoperiods in Mato Grosso do Sul - Brazil. Two experiments were conducted. In experiment one, the ewes used aged between 2 and 4 years, distributed in three homogeneous groups of 54 animals and subjected to reproductive evaluation in three different predefined luminosity periods, consisting of autumn (11h 45 min.), spring (12h 30 min.), and summer (12h 55 min.). The characteristics studied were body weight (BW), body condition score (BCC), estrus distribution (EST), percentage of pregnant females per cycle (%P), plasma progesterone (PP), and fertility (F) in the three predefined seasons. The mating system used was controlled natural nocturnal and lasted for 45 days. Experiment two, evaluated the ram sexual activity. The males (10) were individually exposed to four ovariectomized ewes. The ewes cycled during evaluated seasons, and the highest fertility was observed in animals with BCC >2.75. The PP concentration differed among periods, and higher conception rates (F) were observed in autumn and spring. The rams (75%) had a medium of sexual performance when they performed more than two ejaculations in 20 min throughout the seasons. Pantaneiro sheep of both genders had a similar fertility index, with early and constant activity throughout the year, displaying no photoperiodism or seasonality.
4.
A judicialização na saúde suplementar: uma avaliação das ações judiciais contra uma operadora de planos de saúde, Belo Horizonte, Minas Gerais, 2010-2017
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Teixeira, Luís Edmundo Noronha
; Andrade, Eli Iola Gurgel
; Cherchiglia, Mariangela Leal
; Marini, Wesley
; Souza, Charles Ferreira de
.
RESUMO A judicialização na saúde suplementar supera a que ocorre no setor público, evidenciando a fragilidade de sua regulação e dificultando o acesso aos planos de saúde. Serão analisadas ações judiciais contra uma operadora da saúde suplementar em Belo Horizonte, entre os anos de 2010 e 2017. Analisaramse proces¬sos judiciais por meio de técnica de análise documental. As variáveis foram relativas à natureza do processo judicial, ao perfil dos beneficiários e às características das demandas. A Regressão de Poisson foi utilizada na avaliação de impacto e relevância das variáveis selecionadas, e o software R versão 3.6.1 para os testes de significância. No período de 2010 a 2017, foram movidas 6.090 ações. As principais causas são questões contratuais, negativa de procedimento, órtese/prótese e exames. Planos anteriores à ‘Lei dos Planos de Saúde’ correspondem a 3% da carteira e 37,4% da judicialização. Este estudo demonstrou que a possibilidade de judicializar é maior entre clientes masculinos, contratos individuais, planos assistidos em rede ampla, sem coparticipação. A judicialização é mais acessível a cidadãos de maior condição econômica. Questões contratuais evidenciam frágil regulação. Adequada regulamentação reduz o desequilíbrio entre clientes e operadoras. A Agência Nacional de Saúde Suplementar precisa exercer sua função reguladora.
ABSTRACT Judicialization in supplementary health surpasses that which occurs in the public sector, evidencing the fragility of its regulation and making access to health plans difficult. Lawsuits against a Supplementary Health operator in Belo Horizonte, between 2010 and 2017, will be analyzed. Legal proceedings were analyzed using a document analysis technique. Variables were related to the nature of the legal process, the profile of the beneficiaries and the characteristics of the demands. Poisson Regression was used to assess the impact and relevance of the selected variables, and the R software version 3.6.1 for the significance tests. In the period from 2010 to 2017, 6090 actions were filed. The main causes are contractual issues, denial of procedure, orthosis/prosthesis and exams. Plans prior to the ‘Health Plan Law’, correspond to 3% of the portfolio and 37.4% of the judicialization. This study showed that the possibility of taking legal action is greater among male clients, individual contracts, plans assisted in a wide network, without co-participation. Judicialization is more accessible to citizens of higher economic status. Contractual issues show fragile regulation. Adequate regulation reduces the imbalance between customers and operators. The National Supplementary Health Agency needs to exercise its regulatory function.
5.
A judicialização na saúde suplementar: uma avaliação das ações judiciais contra uma operadora de planos de saúde, Belo Horizonte, Minas Gerais, 2010-2017
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Teixeira, Luís Edmundo Noronha
; Andrade, Eli Iola Gurgel
; Cherchiglia, Mariangela Leal
; Marini, Wesley
; Souza, Charles Ferreira de
.
RESUMO A judicialização na saúde suplementar supera a que ocorre no setor público, evidenciando a fragilidade de sua regulação e dificultando o acesso aos planos de saúde. Serão analisadas ações judiciais contra uma operadora da saúde suplementar em Belo Horizonte, entre os anos de 2010 e 2017. Analisaramse proces¬sos judiciais por meio de técnica de análise documental. As variáveis foram relativas à natureza do processo judicial, ao perfil dos beneficiários e às características das demandas. A Regressão de Poisson foi utilizada na avaliação de impacto e relevância das variáveis selecionadas, e o software R versão 3.6.1 para os testes de significância. No período de 2010 a 2017, foram movidas 6.090 ações. As principais causas são questões contratuais, negativa de procedimento, órtese/prótese e exames. Planos anteriores à ‘Lei dos Planos de Saúde’ correspondem a 3% da carteira e 37,4% da judicialização. Este estudo demonstrou que a possibilidade de judicializar é maior entre clientes masculinos, contratos individuais, planos assistidos em rede ampla, sem coparticipação. A judicialização é mais acessível a cidadãos de maior condição econômica. Questões contratuais evidenciam frágil regulação. Adequada regulamentação reduz o desequilíbrio entre clientes e operadoras. A Agência Nacional de Saúde Suplementar precisa exercer sua função reguladora.
ABSTRACT Judicialization in supplementary health surpasses that which occurs in the public sector, evidencing the fragility of its regulation and making access to health plans difficult. Lawsuits against a Supplementary Health operator in Belo Horizonte, between 2010 and 2017, will be analyzed. Legal proceedings were analyzed using a document analysis technique. Variables were related to the nature of the legal process, the profile of the beneficiaries and the characteristics of the demands. Poisson Regression was used to assess the impact and relevance of the selected variables, and the R software version 3.6.1 for the significance tests. In the period from 2010 to 2017, 6090 actions were filed. The main causes are contractual issues, denial of procedure, orthosis/prosthesis and exams. Plans prior to the ‘Health Plan Law’, correspond to 3% of the portfolio and 37.4% of the judicialization. This study showed that the possibility of taking legal action is greater among male clients, individual contracts, plans assisted in a wide network, without co-participation. Judicialization is more accessible to citizens of higher economic status. Contractual issues show fragile regulation. Adequate regulation reduces the imbalance between customers and operators. The National Supplementary Health Agency needs to exercise its regulatory function.
6.
Reduction in Hospital Admissions Associated with Coronary Events during the COVID-19 Pandemic in the Brazilian Private Health System: Data from the UNIMED-BH System
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Nascimento, Bruno Ramos
; Brant, Luisa Campos Caldeira
; Castro, Ana Cristina Teixeira
; Froes, Luiz Eduardo Vieira
; Ribeiro, Antonio Luiz Pinho
; Teixeira, Renato Azeredo
; Cruz, Larissa Vilela
; Araújo, Cynthia Bicalho Maluf
; Souza, Charles Ferreira
; Froes, Eduardo Tomaz
; Souza, Soraya Diniz
.
Revista da Sociedade Brasileira de Medicina Tropical
- Métricas do periódico
Abstract INTRODUCTION: We aimed to evaluate the impact of the new coronavirus disease 2019 on coronary hospitalizations in the Brazilian private health system. METHODS: Data on coronary admissions in 2020 and a 2-year historical series were collected from the UNIMED-BH insurance system. RESULTS: Admission rates in 2020 reduced by 26% (95%CI, 22-30) in comparison with 2018/2019, markedly from March to May (37%) compared to the peak of the pandemic (June-September, 19%). Mortality was higher in 2020 (5.4%, 95%CI 4.5-6.4) than in 2018/2019 (3.6%, 95%CI 3.2-4.1). CONCLUSIONS: There was a significant decrease in coronary admissions, with higher mortality during the COVID-19 pandemic.
https://doi.org/10.1590/0037-8682-0174-2021
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7.
Leaf area estimation with nondestructive method in cassava
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Trachta, Mariano Abel
; Junior, Alencar Zanon
; Alves, Alexandre Ferigolo
; Freitas, Charles Patrick de Oliveira de
; Streck, Nereu Augusto
; Cardoso, Paula de Souza
; Santos, Amanda Thirza Lima
; Nascimento, Moises de Freitas do
; Rossato, Ioran Guedes
; Simões, Guilherme Penteado
; Amaral, Kaleb Emanoel Ferreira do
; Streck, Ijésica Luana
; Rodrigues, Luíza Brum
.
ABSTRACT The objective of this study was to create a single mathematical equation able to estimate the leaf area of different cassava cultivars from one lineal dimension without destroying any plant tissue. Two hundred leaves per cultivar from ten cultivars were used to calibrate the model and more than one hundred leaves per cultivar were used to test its predictive capacity as independent data. All equations were the result of the nonlinear correlation between the leaf area and the length of its central lobe. To validate it as a “general” equation, another set of five cultivars were used. A “specific” equation for each cultivar was also calibrated to compare with the “general” equation’s performance. Cultivar Vassourinha has remarkably different leaf morphology from the other nine cultivars, making the “general” equation’s tendency line deviate and lowering its coefficient of determination. Therefore, one more equation was generated excluding that cultivar and, as a result, it was not possible to estimate the leaf area from all the cultivars using only the “general” equation. The “general without Vassourinha” equation has a high accuracy level when estimating leaf area of the other nine cultivars, plus the extra five cultivars that were included to validate the general equation; all of them present similar leaf morphology. Due to its importance, Vassourinha cultivar’s “specific” equation should be used when estimating leaf area for this cultivar or other cultivars with similar leaf morphology.
https://doi.org/10.1590/1678-4499.20200018
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8.
Production and quality of sunflower and Paiaguas palisadegrass silage in monocropped and intercropping in different forage systems
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Santos, Charles Barbosa dos
; Costa, Kátia Aparecida de Pinho
; Souza, Wender Ferreira de
; Oliveira, Itamar Pereira de
; Teixeira, Daniel Augusto Alves
; Costa, João Victor Campos Pinho
.
ABSTRACT. The objective of this study was to evaluate dry mass production, fermentative parameters and chemical and bromatological composition of sunflower silage and Paiaguas palisadegrass silage in monocropped and intercropping in different forage systems. The experimental design consisted of randomized blocks, with four replicates. The treatments consisted of silage forage systems: sunflower monocropped; Paiaguas palisadegrass monocropped; sunflower row-intercropped with Paiaguas palisadegrass; sunflower inter-row intercropped with Paiaguas palisadegrass; and sunflower oversown and intercropped with Paiaguas palisadegrass, totalizing 20 experimental silos. Sunflower and Paiaguas palisadegrass were harvested at 110 days after planting at 20 cm from the soil for silage, using brush cutter. The silos were opened after 53 days of fermentation. The rows and inter-row intercropped systems contributed to increase the mass production of the ensiled material. The monocropped sunflower silage had higher values of pH, ethereal extract and acid detergent fiber and lower values of titratable acidity and dry matter, crude protein, neutral detergent fiber and in vitro dry matter digestibility values. The silages of the sunflower intercropped with Paiaguas palisadegrass in forage systems of crop-livestock integration presented better fermentative and bromatological characteristics, guaranteeing an adequate fermentative process and nutritional quality. In this way, the intercropping of these two forages potentiates the production of silage for feeding of ruminants during the period of forage shortage.
https://doi.org/10.4025/actascianimsci.v42i1.48304
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9.
Protein and carbohydrates fractionation in Paiaguas palisadegrass intercropped with grain sorghum in pasture recovery
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Santos, Charles Barbosa
; Costa, Kátia Aparecida de Pinho
; Souza, Wender Ferreira de
; Silva, Victor Costa e
; Epifanio, Patrícia Soares
; Santos, Hemylla Sousa
.
ABSTRACT. Paiaguas palisadegrass was released in order to meet the requirements of the different production systems. However, little is known about the quality of the forage. The goal of this study was to evaluate the protein and carbohydrate fractionation of the Paiaguas palisadegrass after intercropping with grain sorghum in the pasture recovery, through the integration of crop and livestock production. The experiment was conducted in the municipality of Rio Verde, State of Goias. The experimental design was a randomized complete block design with four replications. The treatments were composed of the following forage systems: Paiaguas palisadegrass in monocropped, sorghum intercropped with Paiaguas palisadegrass in the row, sorghum intercropped with Paiaguas palisadegrass in the interrow, and sorghum intercropped with oversown Paiaguas palisadegrass. The evaluations were carried out in the four climatic seasons of the year (winter, spring, summer, and fall) in the same plots, over a period of one year, in 16 paddocks under continuous stocking system. The results showed that forage systems did not influence protein and carbohydrate fractionation. The winter season presented higher values of protein and carbohydrate fractionation, negatively affecting the animal performance.
https://doi.org/10.4025/actascianimsci.v41i1.42693
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10.
Association of morphometric measurements with morphologic scores of Criollo horses at Freio de Ouro: a path analysis
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Pimentel, Anelise Maria Hammes
; Souza, João Ricardo Malheiros de
; Boligon, Arione Augusti
; Moreira, Heden Luiz Marques
; Rechsteiner, Sandra Mara da Encarnação Fiala
; Pimentel, Cláudio Alves
; Martins, Charles Ferreira
.
ABSTRACT This study used path analysis to establish the direct, indirect, and total effects of body linear and angular measurements on subjective morphological scores of the 247 Criollo horses that participated in their most important performance event, Freio de Ouro, in 2012. Freio de Ouro is the only event of the Criollo breed that considers morphology. Measurements of wither height, thoracic girth, cannon bone girth, body length, metatarsus length, croup length, shoulder width, head length, neck length, and upper neck girth, and the angles of rump, shoulder, and hock were taken. These morphometric measurements collectively explained 83% of the variation in morphological score. The measurements with the greatest total effects on score were neck length (correlation coefficient = 0.2300), upper neck girth (0.2100), angle of rump (–0.1600), thoracic girth (0.1400), shoulder width (0.1400), body length (0.1100), croup length (0.1100), shoulder angle (–0.1100), and metatarsus length (0.1000). These results mean that these variables have the highest association with morphological evaluation by referees. This is the first scientific study of the correlation of morphological measurements with judge evaluation in Criollo horses.
https://doi.org/10.1590/rbz4720180013
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11.
Biometric evaluation of Criollo horses participating in the Freio de Ouro competition, Brazil
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Pimentel, Anelise Maria Hammes
; Souza, João Ricardo Malheiros de
; Boligon, Arione Augusti
; Moreira, Heden Luiz Marques
; Pimentel, Cláudio Alves
; Martins, Charles Ferreira
.
ABSTRACT The objective of this study was to quantify linear and angular morphological measurements of male and female horses participating in the Freio de Ouro competition. This study represents the first scientific evaluation of the biometrics of the Criollo breed, providing essential information for the evaluation of the development of the breed and supporting objective selection. We examined linear and angular measurements of 634 Criollo horses participating in the Freio de Ouro competition in 2011 and 2012, including height, chest circumference, cannon bone circumference, body length, metatarsus length, croup length, chest width, head length, dorsal neck length, throat circumference, and angles of the croup, scapula, and hock. Statistical analysis showed that males had a greater average cannon bone circumference (19.76 cm) than females (18.95 cm) and a greater throat circumference (77.66 cm for males and 73.30 cm for females). None of the other traits evaluated differed between genders. The average height (141.73 cm for males and 141.41 cm for females) was close to the minimum requirement for the breed standard. Subjective observations suggesting that animals of this breed are decreasing in size were not confirmed in this study, as the height and other evaluated measures did not differ between competing horses less or more than seven years of age. Although these measurements in isolation do not indicate the qualities of individual animals, they serve as valuable auxiliary elements for selection work, showing breed tendencies and providing objective data to support technical decisions of judges regarding conformation.
https://doi.org/10.1590/rbz4720170294
1009 downloads
12.
Testing the Extraction of DNA from Human Teeth Exposed to Different Chemical Solutions
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Damascena, Nicole Prata
; Santos Filho, Moezio de Vasconcellos Costa
; de Souza, Gustavo Reis Branco
; da Silva, Luiz Antonio Ferreira
; Estevam, Charles dos Santos
; Franco, Ademir
; Paranhos, Luiz Renato
; Musse, Jamilly de Oliveira
.
International journal of odontostomatology
- Métricas do periódico
The aim of this study was to evaluate the extraction of dental DNA exposed to different chemical solutions. The sample was composed by 15 subjects, from which 5 samples of oral mucosal cells (reference population) and 15 teeth (experimental population) were collected. The experimental population was divided in three equal parts, which were exposed to different chemical solutions, namely hydrochloric acid (HCl) at 37 %, formaldehyde (CH2O) at 10 % and sodium hypochlorite (NaOCl) at 2.5 %. The DNA from the oral mucosa was extracted using organic method, while the dental DNA was extracted using the AFDIL method, including amplification by PCR and sequencing through capillary electrophoresis. The DNA exposed to hydrochloric acid dissolved, lacking extraction. The exposure of teeth to formaldehyde and sodium hypochlorite did not interfere in the extraction of DNA, once the amplification was visible in both experimental populations. The present outcomes demonstrated that DNA extraction may be limited under exposure to chemical solutions.
El objetivo de este estudio fue evaluar la extracción de ADN dental expuesto a diferentes soluciones químicas. La muestra estuvo compuesta por 15 sujetos, de los cuales se recogieron 5 muestras de células de la mucosa oral (población de referencia) y 15 dientes (población experimental). La población experimental se dividió en tres partes iguales, que fueron expuestas a diferentes soluciones químicas, a saber, ácido clorhídrico (HCl) al 37 %, formaldehído (CH2O) al 10 % e hipoclorito de sodio (NaOCl) al 2,5 %. El ADN de la mucosa oral se extrajo utilizando el método orgánico, mientras que el ADN dental se extrajo utilizando el método AFDIL, incluyendo la amplificación por PCR y la secuenciación a través de electroforesis capilar. El ADN expuesto al ácido clorhídrico se disolvió, careciendo de extracción. La exposición de los dientes al formaldehído e hipoclorito de sodio no interfirió en la extracción de ADN, una vez que la amplificación era visible en ambas poblaciones experimentales. Los resultados actuales demostraron que la extracción de ADN puede ser limitada bajo la exposición a soluciones químicas.
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13.
Gender on the growth of Criollo foals from birth to three years of age
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Pimentel, Anelise Maria Hammes
; Rodrigues, Walvonvitis Baes
; Martins, Charles Ferreira
; Montanez, Nathanael Ramos
; Boligon, Arione Augusti
; Souza, João Ricardo Malheiros de
.
RESUMO: O presente estudo foi desenvolvido com o objetivo de se avaliar o efeito do sexo nos padrões de crescimento em potros da raça Crioula que possam servir de referência à sua criação, assim como base para futuros estudos em equinos dessa raça. Medidas de altura corporal, perímetro de tórax e perímetro de canela de 75 potros, pertencentes a três gerações, foram obtidas do nascimento aos três anos de idade, em duas propriedades no Rio Grande do Sul, Latitude 32°,33′,58″ e Longitude 53°,22′,33″. Em ambas as fazendas avaliadas, os animais eram mantidos no mesmo sistema de criação e manejo alimentar (extensivo e em regime de campo nativo). Foram realizadas análises de regressão não linear para se estimar as curvas de crescimento para as três características estudadas. Os resultados do presente estudo indicam diferença significativa (P<0,001) no crescimento da canela entre machos e fêmeas, sendo maior nos machos. As curvas preditas com modelos não lineares para a altura corporal e perímetro de tórax não apresentaram diferenças estatísticas entre os sexos. Para todas as características estudadas, a maior taxa de crescimento foi obtida ao primeiro ano de vida (altura corporal = 74%, perímetro de tórax = 76% e perímetro de canela = 63% em machos e 83% em fêmeas). Os resultados do presente estudo indicam que a evolução da altura corporal e perímetro de tórax em potros até os três anos de idade pode ser avaliada através de modelos não lineares e de maneira simultânea para machos e fêmeas. Por outro lado, o perímetro de canela deve ser modelado separadamente para cada sexo.
ABSTRACT: The objective of the present study was to evaluate the effect of gender on the growth of Criollo foals, in order to use this information as a reference for breeding as well as in future research. Body height, thoracic perimeter, and cannon bone perimeter of 75 foals were measured from two farms in Rio Grande do Sul, Brazil (Lat. 32°, 33′, 58″, Long. 53°, 22′, 33″) and from three generations over three years. In both farms, animals were kept under the same range and feeding conditions. Nonlinear regression models were applied to describe the growth curves for the three traits over the experimental period. Cannon bone perimeter was greater in males than in females (P<0.001) but the predicted curves for body height and thoracic perimeter did not differ between genders. For all traits, the highest rate of increase was achieved in the first year of life (body height = 74%, thoracic perimeter = 76%, and cannon bone perimeter = 63% for males and 83% for females). Results of this study indicated that changes in body height and thoracic perimeter can be predicted using nonlinear models in both male and female foals, until they reach three years of age; whereas, changes in cannon bone perimeter should be modeled separately for each gender.
https://doi.org/10.1590/0103-8478cr20150989
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14.
Morphometric changes in the hoof capsule of Criollo foals from birth to weaning
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Souza, João Ricardo Malheiros de
; Pimentel, Anelise Maria Hammes
; Folle, Vinícius Azevedo
; Pfeifer, João Pedro Hübbe
; Schuster, Aline Bacchieri Gallo
; Segabinazzi, Lorenzo Garrido Teixeira Martini
; Lau, Lucas Correa
; Martins, Charles Ferreira
.
RESUMO: A América do Sul possui um grande número de criatórios da raça Crioula, no entanto, há uma carência de informações sobre o desenvolvimento natural dos cascos dos potros, tornando a identificação de períodos ideais para o casqueamento corretivo uma dúvida frequente entre os criadores. Portanto, o objetivo deste estudo foi realizar a biometria natural (do nascimento aos 8 meses) no casco de 46 potros da raça Crioula. Os resultados indicaram uma taxa de crescimento mais rápido nos primeiros 4 meses, com subsequente desaceleração até o desmame. O crescimento médio do casco foi em média 0,21cm mo-1, enquanto o comprimento do talão foi de 0,14cm mo-1. Não foram observadas diferenças significativas no equilíbrio médio/lateral do casco ou entre os membros durante o período experimental. O perímetro da banda coronária e a largura solar do casco apresentaram um crescimento médio de 0,97 e 0,46cm mo-1, respectivamente, e foram altamente correlacionados (r=0,99, P≤0,01). A idade dos potros foi a característica mais correlacionada positivamente, seguida da largura solar, do comprimento do casco e do perímetro da banda coronária. Nós concluímos que o crescimento do casco em potros da raça Crioula foi mais intenso durante os quatro primeiros meses de vida.
ABSTRACT: South America has numerous Criollo horse breeding farms; however, information on foal hoof growth is still limited and identifying the ideal periods to apply corrective trimming is a frequent concern for horse owners. In the present study, a morphometric analysis of hoof growth was performed on 46 Criollo foals from birth to weaning (0-8 months). Results showed that hoof growth rate was higher in the first four months followed by a decrease until the eighth month. Average growth rate of the hoof was 0.21cm per month, whereas that of the heel was 0.14cm per month. However, no significant differences were observed between medial and lateral heel length or between limbs. Coronary band perimeter and solar width showed an average increase of 0.97cm and 0.46cm per month, respectively, and were significantly correlated (r=0.99, P≤0.01). The characteristic most positively correlated to biometric variables was foal age, followed by solar width, toe length, and coronary band perimeter. In conclusion, hoof length increase in Criollo foals was more intensive during the first four months of life.
https://doi.org/10.1590/0103-8478cr20160945
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15.
Efficiency of inoculant with Azospirillum brasilense on the growth and yield of second-harvest maize1
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Costa, Raoni Ribeiro Guedes Fonseca
; Quirino, Gerciene da Silva Ferreira
; Naves, Daniela Cristina de Freitas
; Santos, Charles Barbosa
; Rocha, Ana Flávia de Souza
.
RESUMOO uso inadequado de fertilizantes tem sido uma preocupação crescente, em relação à sustentabilidade agrícola e ambiental. Uma das alternativas para reduzir o impacto de fertilizantes químicos é o uso de inoculantes contendo bactérias fixadoras de nitrogênio e promotoras de crescimento vegetal. Objetivou-se avaliar os efeitos de um inoculante à base de Azospirillum brasilense sobre as características de crescimento e produtividade do milho de segunda safra. O delineamento experimental foi em blocos casualizados, com três repetições, em esquema fatorial 3 × 5. Os tratamentos incluíram três níveis de inoculação (controle sem inoculante, inoculação na semente e aplicação foliar do inoculante no estágio V4) e cinco doses de adubação nitrogenada em cobertura (0 %, 25 %, 50 %, 75 % e 100 %, sendo a dose de 100 % correspondente a 50 kg ha-1 de N na forma de ureia). Os tratamentos que receberam inoculante apresentaram maior crescimento em altura (9,5 % e 16 %), biomassa seca do colmo (49 % e 6,75 %) e biomassa seca da raiz (123 % e 97 %), respectivamente para inoculante na semente e pulverizado, bem como incremento no tamanho da espiga (8 %), teor de clorofila (4 %), massa de 1.000 grãos (12 %) e produção de grãos (29 %), em comparação às plantas não inoculadas. Os efeitos das doses de N foram significativos apenaspara massa de 1.000 grãose produtividade de grãos (kg ha-1), verificando-se que a inoculação na semente proporcionou maior produtividade no milho de segunda safra.
ABSTRACTThe misuse of fertilizers has become a growing concern in terms of agricultural and environmental sustainability. One alternative to reduce the impact of chemical fertilizers is the use of inoculants containing nitrogen-fixing and plant growth promoting bacteria. This study aimed at evaluating the effects of an inoculant with Azospirillum brasilense on the growth and yield of secondharvest maize. The experimental design was randomized blocks with three replications, in a 3 × 5 factorial scheme. The treatments consisted of three inoculation methods (control without inoculation, seed inoculation and leaf-sprayed inoculation at the V4 stage) and five cover N-fertilization doses (0 %, 25 %, 50 %, 75 % and 100 %, with the 100 % dose corresponding to 50 kg ha-1 of N as urea). Inoculated plants showed a greater growth for height (9.5 % and 16 %), stem dry biomass (49 % and 6.75 %) and root dry biomass (123 % and 97 %), respectively for seed inoculation and spraying, as well as increases in ear size (8 %), chlorophyll content (4 %), 1,000-grain weight (12 %) and grain yield (29 %), when compared to non-inoculated plants. The effects of N doses were only significant for 1,000-grain weight and grain yield (kg ha-1), with seed inoculation providing a higher yield for second-harvest maize.
https://doi.org/10.1590/1983-40632015v4534593
3802 downloads
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