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Estrus expression and pregnancy rates in heifers primiparous and multiparous Nelore cows subjected to timed artificial insemination with strategic use of gonadotropin-releasing hormoneExpressão de estro e taxas de prenhez em novilhas, primíparas e multíparas Nelore submetidas à inseminação artificial em tempo fixo com uso estratégico de hormônio liberador de gonadotrofina
(2021-01-01)
We evaluated the effects of nulliparous, primiparous, and multiparous conditions on the estrus and pregnancy rates in females that did not show estrus but were treated with gonadotropin-releasing hormone (GnRH) at the time ...
Utilização de dois intervalos de descanso entre pastoreios em pastagem natural com novilhas de corte na estação quente
(Universidade Federal de Santa MariaBRZootecniaUFSMPrograma de Pós-Graduação em Zootecnia, 2013-02-21)
The aim of this study was to evaluate the performance and ingestive behavior of beef heifers grazing natural grassland managed under rotational grazing according to two rest periods in spring and summer. The treatments ...