| 湟源县黄牛改良效果的调查 |
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| 引用本文： | 张祯,罗永珍,祁生梅,王晓兰.湟源县黄牛改良效果的调查[J].中国牛业科学,2009,35(3). |
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| 作者姓名： | 张祯 罗永珍 祁生梅 王晓兰 |
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| 作者单位： | 青海省湟源县畜牧兽医站,青海,湟源,812100 |
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| 摘 要： | 为了解湟源县牛品种改良效果,掌握良种奶牛的饲养量,从2004年我们根据各牛改点的配种记录,深入农户,对牛受胎、产犊情况进行了调查,结果表明:良种母畜比例提高了35%,良种畜存栏达到22 389头.
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| 关 键 词： | 黄牛 改良 效果 湟源县 |
Investigation on Yellow Cattle Improvement in Huangyuan |
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| ZHANG Zhen,LUO Yong-zhen,QI Sheng-mei,WANG Xiao-lan.Investigation on Yellow Cattle Improvement in Huangyuan[J].China Cattle Science,2009,35(3). |
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| Authors: | ZHANG Zhen LUO Yong-zhen QI Sheng-mei WANG Xiao-lan |
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| Institution: | Animal Husbandry and Veterinary Station;Huangyuan;Qinghai 812100;China |
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| Abstract: | To understand the effect of cattle improvement and population size of dairy cows in Huangyuan County,artificial insemination record,conception rate and calving were investigated family by family.It was found that fine breed dairy cows reached 22.389 thousands,which covered 35% of all cows. |
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| Keywords: | Yellow cattle Improvement Effect Huangyuan County |
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