Postpartum ovarian activity in Sahiwal - Friesian cows fed different levels of energy
Postpartum ovarian function was determined by milk progesterone radioimmunoassay in 21 first-calf Sahiwal-Friesian cows assigned to one of three treatment groups designated as low, medium and high energy levels (n=7). The progesterone concentrations in defatted milk were determined thrice weekly...
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| 主要作者: | |
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| 格式: | Thesis |
| 语言: | English |
| 出版: |
1984
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| 在线阅读: | http://psasir.upm.edu.my/id/eprint/85596/1/FPV%201984%201%20ir.pdf |
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