| 固原市原州区肉牛改良工作调查研究 |
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| 引用本文： | 张红强,韩映辉,曹兵海.固原市原州区肉牛改良工作调查研究[J].中国牛业科学,2008,34(2):54-56. |
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| 作者姓名： | 张红强 韩映辉 曹兵海 |
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| 作者单位： | 1. 中国农业大学动物科技学院,北京,100094
2. 宁夏固原市原州区畜牧技术推广服务中心,宁夏固原,756000 |
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| 摘 要： | 调查了宁夏固原市原州区肉牛改良工作开展情况,测量了区内67头繁殖母牛的体尺,利用肉用指数(Beef purpose index,BPI)研究了牛群的经济类型。结果表明:利秦F_1和西秦F_1的繁殖母牛平均BPI分别达到3.40和3.42,比纯种秦川牛提高了12.21%和12.87%,改良效果显著(P<0.05),利秦F1和西秦F1改良效果无明显区别(P>0.05)。
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| 关 键 词： | 肉牛改良 原州区 秦川牛 BPI |
Survey on the Beef Cattle Crossbreeding in Yuanzhou District of Guyuan City |
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| ZHANG Hong-qiang,CAO Bing-hai,HAN Yinghui.Survey on the Beef Cattle Crossbreeding in Yuanzhou District of Guyuan City[J].China Cattle Science,2008,34(2):54-56. |
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| Authors: | ZHANG Hong-qiang CAO Bing-hai HAN Yinghui |
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| Abstract: | Based on the investigation of beef cattle improvement in Yuanzhou district and measurement of body sizes of 67 cows,the economic types of the beef herds were categorized by Beef Purpose Index (BPI).The results showed that average BPIs of crossbred cows of Limousin and Simmental with Qinchuan reached 3.40 and 3.42,respectively,which increase by 12.21% and 12.87% comparing with pure Qinchuan cattle(P<0.05),while there was no significant difference in crossbreeding effects of hybrids of Limousin and Simmental with Qinchuan cattle(P>0.05). |
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| Keywords: | Beef cattle improvement Yuanzhou district Qinchuan cattle Beef Purpose Index |
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