吉林黄牛引入牦牛血液杂交改良效果 |
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引用本文: | 杨丰福,王大广,许方达,吕礼良. 吉林黄牛引入牦牛血液杂交改良效果[J]. 中国牛业科学, 2001, 27(5): 24-26 |
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作者姓名: | 杨丰福 王大广 许方达 吕礼良 |
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作者单位: | 吉林省农业科学院畜牧分院,公主岭市,136100 |
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摘 要: | 采用含有1/2野牦牛血液的冻精为吉林当地10头黄牛输配。结果,受配牛妊娠率为100%,产犊成活率为100%,杂种后代牛在采食性能、抗寒暑能力及生长速度方面都优于本地黄牛。初步表明利用含1/2野牦牛血液的冻精改良本地黄牛有较强的种间杂种优势,可为生产利用。
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关 键 词: | 野牦牛 吉林黄牛 导入杂交 杂交改良 |
文章编号: | 1001-9111(2001)05-0024-03 |
修稿时间: | 2001-05-26 |
Imp roving Effects of Yak Blood Introduction on Jinlin Yellow Cattle |
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Abstract: | Yellow cattle Freezing semen with 1/2 blood of wild Yak was used to inseminate 10 local yellow cattle cow. The results showed that gestation rate and live calf rate were both 100%, crossbred calves had better feed intake ability, heat resistance and growth rate than local yellow calf, which showed that freezing semen with 1/2 blood of wild Yak had obvious hybrid vigor in improving local yellow cattle and could be applied in practice. |
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Keywords: | Wild Yak Jilin yellow cattle Introducing crossbreeding |
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