Results 1 to 10 of about 22,020 (228)

Testicular Histomorphometric Evaluation of Zebu Bull Breeds [PDF]

Brazilian Archives of Biology and Technology, 2014
The objective of this study was to evaluate the quantitative histology and testicular biometrics in zebu bulls of different breeds. Testicular fragments of Nelore (n=10), Polled Nelore (n=6), Gir (n=5), Guzerat (n=5) and Tabapuã bulls (n=5) were used ...
Paulo Antônio Terrabuio Andreussi, Deiler Sampaio Costa, Fábio José Carvalho Faria, Carlos Antônio Carvalho Fernandes, Marcelo Diniz Santos, Juliana Correa Borges Silva   +5 more
doaj   +3 more sources

Curvas de crescimento de fêmeas da raça nelore e seus cruzamentos Growth curves of female nelore and their crosses [PDF]

Ciência e Agrotecnologia, 2011
Seleção para características do crescimento pode ser feita após ajustadas funções de crescimento para todos os animais sob seleção. Porém, a curva de crescimento de fêmeas é influenciada pelas gestações e lactações subsequentes.
Tarcisio de Moraes Gonçalves, Marco Aurélio Dessimoni Dias, Jairo Azevedo Junior, Mary Ana Petersen Rodriguez, Vivian Dagnesi Timpani, Antônio Ilson Gomes de Oliveira   +5 more
doaj   +4 more sources

Adaptive integumentary features of beef cattle raised on afforested or non-shaded tropical pastures [PDF]

Scientific Reports
We aimed to analyze the seasonal acclimatization process of Nelore and Canchim cattle raised on two production systems (non-shaded, NS, and integrated crop-livestock-forest, ICLF), based on the dynamics of the morphological and functional attributes of ...
Andréa do Nascimento Barreto, Manuel Antonio Chagas Jacintho, Waldomiro Barioni Junior, Alfredo Manuel Franco Pereira, Leonardo Nanni Costa, Felipe Zandonadi Brandão, Narian Romanello, Gabriela Novais Azevedo, Alexandre Rossetto Garcia   +8 more
doaj   +2 more sources

STRATEGIES TO INCREASE FERTILITY DURING FIXED-TIME ARTIFICIAL INSEMINATION IN BEEF CATTLE [PDF]

SPERMOVA, 2021
The application of Fixed Time Artificial Insemination (FTAI) protocols has strongly boosted artificial insemination in Brazilian bovine herds. The control of the estrous cycle with protocols based on progesterone and estrogen involves synchronizing the ...
Ana Clara Canto Souza, Gabrieli Dutra Gonçalves, Andrey Osvaldo Souza Ferro, Deborah Nakayama Yokomizo, Denis Vinicius Bonato, Marcelo Marcondes Seneda   +5 more
doaj   +1 more source

Uso da promixalicina no controle de ecto e endoparasitas de bovinos

Pubvet, 2022
Objetivou-se avaliar neste trabalho, o efeito da Promixalicina para o controle de ecto e endoparasitas em bovinos Nelore ou anelorados em sistemas de pastejo, na região de Presidente Prudente/SP.
Marco Aurélio Factori, Gabriela de Campos Santos Lourenção, Daniela Seko Fernandes, Roque Sanchez Costa, Beatriz Aparecida da Silva Calixto, Stênio Clemente Paião Sitolino   +5 more
doaj   +1 more source

Characterization of Oligofructose-Induced Acute Rumen Lactic Acidosis and the Appearance of Laminitis in Zebu Cattle

Animals, 2020
The objective of this study was to characterize oligofructose-induced acute rumen lactic acidosis and its consequences in zebu cattle. We used 29 Nellore heifers which were submitted to experimental induction of laminitis by oligofructose excess.
Rejane dos Santos Sousa, Francisco Leonardo Costa de Oliveira, Mailson Rennan Borges Dias, Natalia Sato Minami, Leonardo do Amaral, Juliana Aparecida Alves dos Santos, Raimundo Alves Barrêto Júnior, Antonio Humberto Hamad Minervino, Enrico Lippi Ortolani   +8 more
doaj   +1 more source

Digestibilidade in vivo de dietas contendo milho ou triticale e farelo de soja ou levedura em novilhas nelore em confinamento

Acta Scientiarum: Animal Sciences, 2008
Foram utilizadas 48 novilhas nelore com idade aproximada de 18 meses e 235kg de peso vivo para avaliar o efeito de dietas a base de milho ou triticale e farelo de soja ou levedura sobre a digestibilidade aparente da MS, PB, MO, EB, FDN e FDA utilizando a
Sandro Medroni, Ivanor Nunes do Prado, Lúcia Maria Zeoula, Willian Gonçalves do Nascimento   +3 more
doaj   +1 more source

Transcriptome analyses reveal reduced hepatic lipid synthesis and accumulation in more feed efficient beef cattle [PDF]

, 2018
peer-reviewedThe genetic mechanisms controlling residual feed intake (RFI) in beef cattle are still largely unknown. Here we performed whole transcriptome analyses to identify differentially expressed (DE) genes and their functional roles in liver ...
Fitzsimmons, Carolyn, Keogh, Kate, Li, Changxi, Mukiibi, Robert, Stothard, Paul, Vinsky, Michael, Waters, Sinead M.   +6 more
core   +3 more sources

Fatores etários no leucograma de fêmeas zebuínas sadias da raça Nelore (Bos indicus) Influence of age on the leukogram values for healthy Nelore (Zebu) cattle

Ciência Rural, 2000
Para avaliar-se a influência dos fatores etários sobre o leucograma de fêmeas zebuínas da raça Nelore, examinaram-se amostras de sangue de 158 animais, distribuídos por sete grupos etários ( até 3 meses; 3 a 6 meses; 6 a 12 meses; 12 a 24 meses; 24 a 48 ...
Joselito Nunes Costa, Fernando José Benesi, Eduardo Harry Birgel, José Luiz D'Angelino, Maria Consuelo Caribé Ayres, Ivan Roque de Barros Filho   +5 more
doaj   +1 more source

In vitro production of bovine embryos derived from individual donors in the Corral® dish [PDF]

, 2017
Background: Since the identity of the embryo is of outmost importance during commercial in vitro embryo production, bovine oocytes and embryos have to be cultured strictly per donor.
A Cebrian-Serrano, Ann Van Soom, C Carolan, C O’Neill, C O’Neill, E Wydooghe, Eline Wydooghe, EM O’Doherty, Erik Mullaart, G Vajta, Hiemke M. Knijn, I Donnay, IGF Goovaerts, J Merton, JF Hasler, JF Hasler, JHF Pontes, JS Merton, K Matsuura, L Ferry, LJ Ding, M Hoelker, M Lane, Maaike Catteeuw, ML Reed, N Gopichandran, NK Khurana, P George, PEJ Bols, PEJ Bols, R Boni, R Roover De, RB Gilchrist, S Spanos, SA Machado, SJ Dai, T Ebner, T Fujita, WG Feng   +38 more
core   +2 more sources