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杜洛克猪肠毒素大肠杆菌F4ac MUC13基因型与生长性能的关联性分析 被引量:4

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摘要 猪肠毒素大肠杆菌(ETEC)是引起断乳前后仔猪腹泻的主要致病菌,利用分子检测鉴别MUC13基因型,筛选具有腹泻抗性个体是选育抗腹泻猪的基本方法。但是,抗性个体的纯合对其他生产性能是否具有不利影响?为此,我们在两个猪场分别进行了2年的检测、测定,先后检测了杜洛克仔猪525头,其中ETECF4ac抗性纯合个体(GG)437头、易感杂合个体(GA)75头、易感纯合个体(AA)13头;经生产性能测定,发现达100kg体重日龄分别为181.25±12.01d、182.59±12.25d、182.81±15.14d,达100kg体重校正背膘分别为11.50±2.11mm、11.77±1.53mm和11.86±2.88mm,各组间差异均不显著(P>0.05),说明,杜洛克仔猪抗腹泻的选育对生长速度和背膘厚性能没有影响。
出处 《福建畜牧兽医》 2012年第6期4-5,共2页 Fujian Journal of Animal Husbandry and Veterinary medicine
基金 福建省科技计划重点项目(2010N0012)资助
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