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饲粮蛋白质水平对蓝狐哺乳性能的影响

DOI: 10.3969/j.issn.1006-267x.2011.09.024

Keywords: 哺乳期,蓝狐,蛋白质水平,哺乳性能

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Abstract:

本试验旨在研究饲粮蛋白质水平对哺乳期母狐哺乳性能的影响。选择健康产仔蓝狐60窝,随机分为4组,每组15个重复,每个重复1窝。各组哺乳母狐分别饲喂蛋白质水平为39.84%(Ⅰ组)、35.69%(Ⅱ组)、32.49%(Ⅲ组)和28.19%(Ⅳ组)的试验饲粮。结果表明:1)10日龄和20日龄仔狐窝重差异不显著(P>0.05),30日龄时Ⅰ组仔狐窝重显著高于Ⅲ组和Ⅳ组(P<0.05),40日龄时Ⅰ组仔狐窝重显著高于Ⅳ组(P<0.05)。2)在仔狐20日龄内,各组仔狐窝平均日增重差异不显著(P>0.05),Ⅰ组仔狐30日龄的窝平均日增重极显著高于Ⅲ组(P<0.01),显著高于Ⅳ组(P<0.05),Ⅰ组仔狐40日龄的窝平均日增重显著高于Ⅳ组(P<0.05)。3)仔狐成活率各个时期Ⅰ组均高于其他各组,并且随着饲粮中蛋白质水平的降低,仔狐的成活率也逐渐下降(P>0.05)。由此可见,在本试验条件下,母狐哺乳期适宜蛋白质水平为39.84%。

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