围产期高能日粮对奶牛产后乏情的影响

The prevent effect of high energy diet on non-estrus of postpartum dairy within peripartum

目的:观察高能日粮对集约化牛场奶牛产后乏情的防治效果。方法:围产期奶牛饲喂高能日粮(日粮干物质的摄入量:88.89%;脂肪:4.89%;粗纤维:19.39%;蛋白质:17.09%;钙:0.66%;磷:0.38%;能量:24.07MJ/kg)后,检测血液中生殖激素的浓度和变化规律,并观察奶牛的发情情况。结果:饲喂高能日粮奶牛血浆中生殖激素浓度及规律符合发情奶牛标准。结论:高能日粮饲喂奶牛有利于奶牛产后的发情。

Objective： observe the prevent effect of high energy diet on non-estrus of postpartum dairy cow in standard dairy farm Methods： high energy diet （DMI： 88.8%, fat： 4.89%.CF：19.3%, protein： 17.0%, Ca： 0.66%, P： 0.3%, energy： 24.07 MJ/Kg） were given, reproductive aormone concentration and pattern were detected, and estrus of dairy cows also be detected.Result：cows given high energy diet had corrected hormone pattern. Conclusion： high energy dier help for estrus of postpartum dairy cows.