“性控胶囊”在奶牛生产上的应用效果分析

Effects of "Sex Control Capsules" Applied in Diary Cattle Production

应用"性控胶囊"对121头奶牛进行冷配,冷配受胎率平均达到70%。(有记录的)产犊41头,其中母犊30头,公犊11头,母犊率为73.17%。对使用与未使用"性控胶囊"进行奶牛冷配的情期受胎率进行了统计,分别为56.76%和57.77%,差异不显著。对使用了"性控胶囊"的成年牛与青年牛的情期受胎率进行了统计,分别为40%、68.18%,差异极显著(p﹤0.01)。因此使用"性控胶囊"可以显著提高母犊率,尤其在青年牛的应用效果好,可在奶牛生产中大量推广应用。

121 dairy cows with AI were given ＂sex control capsules, and the pregnancy rate is 70%. Among them, 41 cows gave calves, 30 female calves and 11 male calves, the female calves rate is 73.17%.The pregnancy rates are 56.76% and 57.77% with or without ＂sex control capsules＂, and there is no significant difference. But the pregnancy rate for cows and heifers are 40% and 68.18% with ＂sex control capsules, and the difference is significant（p〈0.01）. Therefore, By using ＂sex control capsules＂, much more female calves are given, especially for heifers. This Product can be well used in dairy cattle production.