| 后非洲猪瘟时期洋三元（DLY）商品母猪作种用的可行性分析及建议 |
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| 引用本文： | 张利娟,郭宗义,陈四清,张亮.后非洲猪瘟时期洋三元（DLY）商品母猪作种用的可行性分析及建议[J].猪业科学,2020,37(10):35-38. |
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| 作者姓名： | 张利娟 郭宗义 陈四清 张亮 |
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| 作者单位： | 重庆市畜牧科学院, 重庆 荣昌 402460,重庆市畜牧科学院, 重庆 荣昌 402460,重庆市畜牧科学院, 重庆 荣昌 402460,重庆市畜牧科学院, 重庆 荣昌 402460 |
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| 摘 要： | 自从2018年非洲猪瘟在中国暴发以来，为了尽快恢复产能，我国很多猪场在生产上开始采用洋三元商品母猪留作种用。通过收集某大型猪场的二元（（LY）母猪和洋三元（DLY）商品母猪的生产记录，统计两者在生产成绩上的差异，并综合其他文献来分析洋三元商品母猪留作种用的优缺点，给出改进的措施，为后非洲猪瘟时期养猪生产提供参考。
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| 关 键 词： | 非洲猪瘟 商品母猪 繁殖性能 |
| 收稿时间： | 2020/9/10 0:00:00 |
Feasibility analysis and suggestion of three-breed crossbred (DLY) sows for breeding in Post-African swine fever era |
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| Lijuan Zhang,Zongyi Guo,Siqing Chen and Liang Zhang.Feasibility analysis and suggestion of three-breed crossbred (DLY) sows for breeding in Post-African swine fever era[J].Swine Industry Science,2020,37(10):35-38. |
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| Authors: | Lijuan Zhang Zongyi Guo Siqing Chen and Liang Zhang |
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| Institution: | Chongqing Academy of Animal Sciences, Rongchang, Chongqing 402460, China,Chongqing Academy of Animal Sciences, Rongchang, Chongqing 402460, China,Chongqing Academy of Animal Sciences, Rongchang, Chongqing 402460, China and Chongqing Academy of Animal Sciences, Rongchang, Chongqing 402460, China |
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| Abstract: | Since the outbreak of African swine fever(ASF) in China in 2018, many farms have begun to use threebreed crossbred (DLY) sows for breeding in order to restore sow''s productivity. In this paper we collect the breeding records of two-breed crossbred (LY) and three-breed crossbred (DLY) sows on large-scale pig farm, and analyze the diff erences in reproductive performance between the two kinds of sows. we also review other literature to provided some advise to improve those production performances in the post-African swine fever era. |
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| Keywords: | African swine fever Three-breed crossbred sows Reproductive performance |
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