| 柴达木绒山羊核心群近交程度估计 |
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| 引用本文： | 雅文海.柴达木绒山羊核心群近交程度估计[J].青海畜牧兽医杂志,2010,40(4):17-18. |
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| 作者姓名： | 雅文海 |
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| 作者单位： | 青海省畜牧兽医科学院,西宁,810016 |
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| 摘 要： | 柴达木绒山羊是在青海省有关部门重视支持下，业务单位历经26年的努力，于2009年底通过了国家品种委员会的审定。为使生产性能、体型外貌趋于一致，在新品种培育和巩固提高过程中采用了不同程度的近交。为了准确掌握该品种的近交程度，笔者对主产区核心群自1987年以来的系谱进行整理统计分析，现将结果报告如下：
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| 关 键 词： | 柴达木绒山羊 近交程度 核心群 新品种培育 估计 生产性能 体型外貌 统计分析 |
Analysis of Grade Distribution in Chaidamu Down-producing Goat in Different Period |
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| YA Wen-hai.Analysis of Grade Distribution in Chaidamu Down-producing Goat in Different Period[J].Chinese Qinghai Journal of Animal and Veterinary Sciences,2010,40(4):17-18. |
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| Authors: | YA Wen-hai |
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| Institution: | YA Wen-hai(Qinghai Academy of Animal and Veterinary Sciences,Xining,810016) |
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| Abstract: | The proportion of the first grade in adult male goat was 83.49% in 2008 which was increased 12.51 percentage points than that in 2000,and was 74.65% in female goat in 2008 which increased 39.36 percentage points than that in 2000,and 92.57% in yearling male goat in 2008 which increased 42.65 percentage points than that in 2000,and 79.32% in yearling female goat in 2008 which increased 16 percentage points than that in 2000 in Chaidamu down-producing goat which was a new hybrid breeding. |
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| Keywords: | Chaidamu down-producing Different period Gradi distribution |
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