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机构地区:[1]黑龙江八一农垦大学动物科技学院,黑龙江大庆163319
出 处:《现代畜牧兽医》2009年第1期12-14,共3页Modern Journal of Animal Husbandry and Veterinary Medicine
摘 要: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.
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