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Ciência Animal Brasileira
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Ciência Animal Brasileira
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Ciência Animal Brasileira
Article . 2010
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EFEITO DO MANEJO E DE VARIÁVEIS BIOCLIMÁTICAS SOBRE A TAXA DE GESTAÇÃO EM VACAS RECEPTORAS DE EMBRIÕES

Authors: Eliane Vianna da Costa e Silva; Kamyla Ayumi Katayama; Gustavo Guerino Mace do; Paola Moretti Rueda; Urbano Gomes Pinto de Abreu; Carmem Estefânia Serra Neto Zúccari;

EFEITO DO MANEJO E DE VARIÁVEIS BIOCLIMÁTICAS SOBRE A TAXA DE GESTAÇÃO EM VACAS RECEPTORAS DE EMBRIÕES

Abstract

Para verificar o efeito do manejo e do ambiente sobre a taxa de gestação de receptoras bovinas cruzadas zebu x europeu (n=94) de embriões Nelore registraram-se o comportamento e variáveis clínicas e climáticas durante o protocolo de sincronização de cio e no dia da inovulação. Foi determinada a concentração de cortisol plasmático (n=36) no D0, D9 e D16 do protocolo e de progesterona (P4) no dia da inovulação. Não houve diferença significativa entre fêmeas gestantes (GEST) e não gestantes (nGEST) quanto ao estágio de maturação e classificação do embrião, pelagem, comportamento ou entre embriões descongelados e fresco. A concentração média de cortisol variou significativamente entre D0 e D16 (P>0,001). A P4 do D16 foi menor nas nGEST (P

Keywords

S, Beef cattle, Agriculture, cortisol, SF1-1100, Animal culture, heat stress, pregnancy rate, Produção animal, handling

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    influence
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
4
Average
Average
Average
gold