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Relationships Between the Appearances and Changes of Estrous Signs and the Estradiol-17β Peak, Luteinizing Hormone Surge and Ovulation During the Periovulatory Period in Lactating Dairy Cows Kept in Tie-stalls
Lactating Holstein-Friesian cows kept in tie-stall barn were used as subjects in this study. Rectal examination, ultrasonography and blood sampling were conducted every other day and then daily after the day on which diameter of the corpus luteum decreased. After the luteal diameter decreased for 2...
Autores principales: | SUMIYOSHI, Toshiaki, TANAKA, Tomomi, KAMOMAE, Hideo |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
The Society for Reproduction and Development
2014
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3999389/ https://www.ncbi.nlm.nih.gov/pubmed/24492642 http://dx.doi.org/10.1262/jrd.2013-119 |
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