| 南德温肉牛与张掖西杂牛三元杂交效果调查 |
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| 引用本文： | 张永东.南德温肉牛与张掖西杂牛三元杂交效果调查[J].中国牛业科学,2007,33(5):95-96. |
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| 作者姓名： | 张永东 |
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| 作者单位： | 甘肃省张掖市畜牧站,甘肃,张掖,734000 |
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| 摘 要： | 为了确定本地肉牛主导品种,在原有利木辛、夏洛莱、皮埃蒙特等肉牛品种的基础上,从2004年开始引进南德温牛(冻精)与当地西杂牛进行三元杂交改良,止2007年2月,已产南杂牛3 345头,育肥出栏1 750头.总结了甘肃张掖牛改区三元杂交牛外貌特征,适应能力和繁殖能力的观察和调查结果,同时对初生、3月龄、6月龄体尺,体重进行了测定并与同龄二元杂交牛进行了比较,结果发现南德温三元杂交牛表现出适应性强、生长发育快等特点.为本市选择肉牛主导品种和肉牛良种繁育体系建设提供了多元化的品种来源及理论依据.
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| 关 键 词： | 南德温牛 三元杂交牛 二元杂交牛 肉牛 甘肃张掖 西杂 三元杂交牛 效果调查 City Cattle Beef South Results Cross 理论 品种来源 多元化 体系建设 良种繁育 选择 生长发育 适应性 表现 |
| 文章编号： | 1001-9111（2007）05-0095-02 |
| 收稿时间： | 2007-03-21 |
| 修稿时间： | 2007年3月21日 |
Investigation on Threeway Cross Results of South Devon Beef and Simmental Crossbred Cattle of Zhangye City |
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| ZHANG Yong-dong.Investigation on Threeway Cross Results of South Devon Beef and Simmental Crossbred Cattle of Zhangye City[J].China Cattle Science,2007,33(5):95-96. |
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| Authors: | ZHANG Yong-dong |
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| Institution: | Workstation of Animal Husbandry and Veterinary of Zhangye City, Zhangye, Gansu,734000, China |
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| Abstract: | The South Devon beef cattle(frozen sperm)had been introduced in Zhangye City since 2004,together with previously introduced Limousin,Charolais and Piemontese beef cattle to conduct a breed improvement program of local Simmental crossbred.There had been 3345 South Devon crossbred and 1750 fattening ones in coverage area of improving program in Zhangye city till Feb in 2007.External conformation,adaptability and fertility of three-way crossbred from South Devon beef cattle were observed and investigated,body measurement and weight of hybrids at the age of birth,3month,6 month were tested and above mentioned index of three-way crossbred were compared to those of two-way crossbred.The results showed that hree-way crossbred of South Devon was a good beef cattle breed with better adaptability and growth performance. |
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| Keywords: | South Devon Three-way crossbred Two-way crossbred |
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