Evolution of fixed-time AI in dairy cattle in Brazil
Anim. Reprod. (Online)
; 15(supl. 1): 940-951, set. 2018. tab, graf
Article
em En
| VETINDEX
| ID: biblio-1461411
Biblioteca responsável:
BR68.1
Localização: BR68.1
ABSTRACT
Various programs have been used to synchronize ovulation of a fertile oocyte, accompanied by fixed-time artificial insemination (FTAI). These programs involve a series of hormonal treatments to achieve four physiologic outcomes:
1) synchronize an ovarian follicular wave; 2) optimize conditions for ovulatory follicle development; 3) synchronize corpus luteum (CL) regression; and 4) synchronize ovulation. This manuscript summarizes studies conducted in Brazil with lactating dairy cows that aimed to increase pregnancy rates to E2/P4-based programs.Palavras-chave
Texto completo:
1
Base de dados:
VETINDEX
Assunto principal:
Bovinos
/
Inseminação Artificial
/
Corpo Lúteo
/
Fase Folicular
Limite:
Animals
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Anim. Reprod. (Online)
Ano de publicação:
2018
Tipo de documento:
Article