| 影响猪第二性比若干因素的研究 |
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| 引用本文： | 张彬 李丽立. 影响猪第二性比若干因素的研究[J]. 家畜生态, 1996, 17(1): 24-28 |
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| 作者姓名： | 张彬 李丽立 |
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| 作者单位： | 湖南农业大学，中国科学院长沙农业现代化研究所，江苏省宜兴市畜禽良种场 |
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| 摘 要： | 本文分析研究了２３８１窝共３４８２５头二花脸仔猪第二性比与若干因素的关系，发现产仔年份季节，胎次及产仔数等四个因素对仔猪第二性比有明显的影响，调控某些因素可望在一定程度上控制猪的第二性比。
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| 关 键 词： | 猪 第二性比 产仔数 胎次 季节 |
Effect of Several Factots on Secondary Scx Ratio of Piglcts |
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| Zhang Bin etal. Effect of Several Factots on Secondary Scx Ratio of Piglcts[J]. Ecology of Domestic Animal, 1996, 17(1): 24-28 |
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| Authors: | Zhang Bin etal |
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| Abstract: | The relationship of several factors to secondary sex ratio of 34825 pigletsfrom 2381 litters was investlgated.The resuIts showed that farrowing year,farrowing season,farrowing number of times and litter size produced a great influence on secondary sex ratio ofpigs. |
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| Keywords: | Pigs Seccondary sex ratio Influential factors. |
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