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低磷加植酸酶日粮不同钙磷比对生长猪生产性能和血清学指标的影响

DOI: 10.7668/hbnxb.2007.05.011, PP. 47-50

Keywords: 玉米-豆粕-鱼粉型日粮,生长猪,植酸酶,钙磷比,生产性能,血清指标

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Abstract:

试验选择90头初始体重20~30kg的长×大二元杂交猪,随机分为5个处理(4个试验组和1个对照组),每个处理3个重复,每个重复6头猪,公母各占一半,研究低磷加植酸酶日粮不同钙磷比对生长猪生长性能和血液指标的影响。结果表明:钙总磷比值在1.4~1.0:1时,生长猪的生产性能效果最好,日增重、日采食量分别比对照组提高8.4%,10.8%,统计分析差异显著(P<0.05);钙总磷比为1.4:1时血清学指标最佳。

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