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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...
| Autores principales: | , , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
The Society for Reproduction and Development
2017
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| 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 |