Trans-scrotal ultrasonography and breeding soundness evaluation of bulls in a herd of dairy and beef cattle with poor reproductive performance
The present study was undertaken to determine the fertility soundness of unselected bulls used for breeding based on a standard breeding soundness evaluation technique (BSE) and trans-scrotal ultrasonography (TSU). A total of 8 bulls, with the mean age of 5½ years (ranged from 3½ - 8 years) and th...
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| Главные авторы: | , , , , , , |
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| Формат: | Статья |
| Язык: | English |
| Опубликовано: |
Universiti Putra Malaysia
2011
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| Online-ссылка: | http://psasir.upm.edu.my/id/eprint/25371/1/Trans-scrotal%20ultrasonography%20and%20breeding%20.pdf |
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