Association between two genetic lines of holstein cows and the pregnancy loss
The objectives of this study were to determine the association between North American Holstein (NAH) and New Zealand Holstein (NZH) genetic lines and pregnancy loss between 30-60 days after artificial insemination (AI), and to determine the influence of the calving number, services per pregnancy, ca...
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| 其他作者: | , , |
| 格式: | article |
| 語言: | spa |
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2021
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| 主題: | |
| 在線閱讀: | https://revistasespam.espam.edu.ec/index.php/Revista_ESPAMCIENCIA/article/view/236 |
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