| 秦川牛改良延安本地黄牛效果分析 |
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| 引用本文： | 昝林森,鱼鹏,郝怀志.秦川牛改良延安本地黄牛效果分析[J].中国牛业科学,2008,34(6). |
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| 作者姓名： | 昝林森 鱼鹏 郝怀志 |
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| 作者单位： | 西北农林科技大学动物科技学院,陕西,杨凌,712100 |
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| 基金项目： | 陕西省13115科技创新工程项目，农业部公益性行业科研专项基金 |
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| 摘 要： | 在陕西省延安市延长和志丹两县,对农村散养模式下的秦川牛改良延安本地黄牛杂交F1代,公母牛各80头分3日龄、6月龄、12月龄、24月龄四个年龄段的体高、体斜长、胸围、髋宽体尺指标和体重进行测量和计算,通过与同龄延安本地黄牛的体尺和体重比较分析发现,秦川牛改良延安本地黄牛杂交F1代在体重上有显著提高,增长幅度在22.15%~71.19%,在4项体尺指标上也有明显的提高,增长幅度在6.49%~63.53%之间。在毛色、适应性、繁殖力等方面也表现出良好的杂交优势。调查分析表明改良方向正确,改良效果显著。
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| 关 键 词： | 秦延F1 延安本地黄牛 杂交改良 |
Improving Effects of Qinchuan Cattle Crossed with Yan an Native Cattle |
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| ZAN Lin-sen,YU Peng,HAO Huai-zhi.Improving Effects of Qinchuan Cattle Crossed with Yan an Native Cattle[J].China Cattle Science,2008,34(6). |
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| Authors: | ZAN Lin-sen YU Peng HAO Huai-zhi |
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| Abstract: | In Yan an City of Shaanxi Province and the extension of Zhidan county,the rural free-range mode of Yan an local cattle improvement Qinchuan Cattle F1(Qin Yan F1),the cattle all 80 three-day-old,6-month-old,in December TSE,24-month-old age group four of the high-plagioclase,brassieres,such as hip-four indicators and body size and weight measurement,and peer through the Yan an local cattle body size and weight of comparative analysis found that Qin Yan F1 in the weight on a significant increase in the growth rate of 22.15 percent to 71.19 percent in the four-foot indicators have significantly improved,and the growth rate at 6.49 percent to 63.53 percent between.Second in color,adaptability,productivity,and so is also a good performance advantages of hybrid,resistance,and cold,rough feeding resistance,disease resistance,and so strong.Investigation of that improved the right direction,significantly improved results. |
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| Keywords: | Qin Yan F1 Qinchuan Cattle Crossbreeding |
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