育成牛即青年牛,是指断奶后到性成熟配种前的牛,在年龄上一般为6~18月龄阶段。在这一阶段,牛处于生长最强烈、代谢最旺盛的时期,生长发育最快,体重的增加呈直线上升。
实验探讨了重复超排对育成牛繁殖力的影响。
The objective of the experiment was to determine the effects of repeated superovulation on reproductive of dairy Heifer.
黄牛胚胎可用率高于奶牛、肉牛(P<0.01),育成牛胚胎可用用率高于经产牛(P<0.01),秋冬季超排效果明显好于春季(P<0.01)。
The available embryo percentage of yellow cattle was greater than dairy and beef cows (P< 0.01), the superovulation result in fall and winter time was better than in spring (P< 0.01).
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