英德
有道
百度
谷歌
图片
维基
百科
孕牛 [yùn niú]
[畜牧] calver
- 使孕牛快速恢复到适宜的产仔期。
Quick return to optimum fertility condition. - 目的：探讨孕牛血清中早孕因子（EPF）的生化特性。
Objective: To study the biochemical characteristics for early pregnancy factor (EPF) in bovine sera. - 用酶免疫分析法测定了正常母牛配种当天， 配种后20、21天和患有卵巢疾病牛的脱脂乳孕酮浓度。
Progesterone concentrations in defatted milk from the cows on the day of artificial insemination and 20,21 days later, and cows having ovarian disease were determined by enzymcimmunoassay ( EIA ) .
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