| 甘南牦牛一年一产试验 |
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| 引用本文： | 石红梅,丁考仁青,杨勤,祁红霞,马登录.甘南牦牛一年一产试验[J].中国牛业科学,2013(6):35-37. |
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| 作者姓名： | 石红梅 丁考仁青 杨勤 祁红霞 马登录 |
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| 作者单位： | [1]国家肉牛牦牛产业技术体系甘南综合试验站,甘肃甘南747000 [2]甘南州畜牧科学研究所,甘肃合作747000 |
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| 基金项目： | 现代农业（肉牛牦牛）产业技术体系建设专项（CARS-38） |
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| 摘 要： | 目的]通过改善母牦牛妊娠期营养条件,提高甘南牦牛的繁殖率.方法]试验组母牛白天放牧,分早晚两次每天补饲颗粒饲料1 kg/头,产犊后每天挤一次奶.结果]70％以上牦牛实现了一年一产,犊牛成活率也明显提高.结论]通过改善母牦牛妊娠期的营养条件,减少挤奶次数,可提高甘南牦牛的繁殖率和犊牛成活率.
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| 关 键 词： | 甘南牦牛 一年一产 试验 |
Experiment of Annual Litter Size of Gannan Yark |
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| SHI Hong-mei,DING Kao-renqing,YANG Qin,QI Hong-xia,MA Deng-lu.Experiment of Annual Litter Size of Gannan Yark[J].China Cattle Science,2013(6):35-37. |
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| Authors: | SHI Hong-mei DING Kao-renqing YANG Qin QI Hong-xia MA Deng-lu |
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| Institution: | 1. Gannan Synthetical Experimental Station of National Beef Industrial Technology System, Hezuo,Gansu 747000 ; 2. Gannan District Animal Science Institute, Hezuo,Gansu 747000) |
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| Abstract: | Objective]To improve reproduction rate of the Gannan yak by improving the nutrition con- ditions of the female yak gestation. Methods]The female yaks from experimental group were grazed dur ing the day, were fed supplementary feeding pellet （1 kg/head） every day in the morning and evening, then was milked once a day after calving milk. Results]More than 70% of the yak with supplementary feeding gave birth to a yak calf per one year, and the survival rate of calf had also obviously improved. Conclusion] The improvement of the nutritional condition of the female yak during pregnancy and reduce of the number of milking can improve reproductive rate and survival rate of the Gannan yak. |
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| Keywords: | Gannan yak annual litter size experiment |
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