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Abstract

The objective of the present study was to evaluate the effect of seasonality on the rectal temperature (RT) and conception rate (CR) of dairy cows kept in confinement, as well as the effect of rectal temperature (RT) on conception rate (CR). Three hundred thirty-three lactating cows, from a...

Author(s)
Bonato, G. L.; Leite, M. B.; Oliveira, M.; Campos, C. C.; Santos, R. M. dos
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2014, 71, 2, pp 143-146
AbstractFull Text

This study aimed to evaluate the effects of gonadorelin (GnRH), used both at the outset of a timed artificial insemination (TAI) protocol to synchronize follicular wave recruitment and at the end to synchronize ovulation, on the conception rate (CR) in Nellore cows. The experiment was conducted on...

Author(s)
Campos, C. C.; Oliveira, M.; Mohallem, R. de F. F.; Santos, R. M. dos
Publisher
Universidade Estadual de Londrina, Londrina, Brazil
Citation
Semina: Ciências Agrárias (Londrina), 2016, 37, 1, pp 173-181
Abstract

Anestrous postpartum is a state of complete sexual inactivity without estrous manifestations and the return of ovarian activity in postpartum may be negatively affected by several factors, such as negative energy balance (NEB), loss of body condition score (BCS), season in which the calving occurs, ...

Author(s)
Munhoz, A. K.; Campos, C. C.; Rezende, E. V. de; Carneiro, L. C.; Oliveira, M.; Santos, R. M. dos
Publisher
Departmento da Producao Animal, Secretaria da Agricultura, Industria e Comercio, Sao Paulo, Brazil
Citation
Boletim de Indústria Animal, 2014, 71, 1, pp 34-38

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