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Evaluation of criteria for optimal time AI postulated by estrous signs in lactating dairy cows kept in tie-stalls

Relaxation of the intravaginal part of the uterus is obvious around 6 to 18 h before ovulation, and this is considered the optimal time for artificial insemination (AI), as demonstrated in recent studies. Estrous signs have been suggested as useful criteria for determining the optimal time for AI. T...

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Detalles Bibliográficos
Autores principales: SUMIYOSHI, Toshiaki, ENDO, Natsumi, TANAKA, Tomomi, KAMOMAE, Hideo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Society for Reproduction and Development 2017
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5735271/
https://www.ncbi.nlm.nih.gov/pubmed/29081451
http://dx.doi.org/10.1262/jrd.2016-136