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免疫应激对不同品种猪氮平衡的影响

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摘要 本试验通过注射大肠杆菌脂多糖(LPS)构建免疫应激模型,旨在探讨免疫应激对不同品种猪氮平衡和氨基酸消化率的影响。分别选择6头体重为(30±2.4)kg莱芜猪、鲁莱猪和大约克夏健康去势公猪,采用2×3因子设计,试验猪单独饲养,均饲喂相同的试验饲粮,进行氮平衡试验。结果表明:免疫应激后不同品种猪的日采食量、氮摄入量、氮消化率、氮沉积和氮生物学价值均极显著降低;在免疫应激作用下,大约克夏猪的氮利用效率变化幅度显著大于莱芜猪和鲁莱猪。
作者 翟强 姜建阳 王连珠 韩先杰 倪良振 宋春阳
机构地区 青岛农业大学动物科技学院 山东省金乡畜牧局
出处 《养猪》 2010年第5期12-14,共3页 Swine Production
基金 山东省良种工程重大课题项目(2009LZ012-04)
关键词 品种 免疫应激 氮平衡
分类号 S828 [农业科学—畜牧学]
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参考文献8

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