宠物级鸡肉粉替代鱼粉对黄鳝生长性能、肠道消化酶活性及血清生化指标的影响Effects of Fish Meal Replacement by Pet Grate Poultry By-Product Meal on Growth Performance,Intestinal Digestive Enzyme Activities and Serum Biochemical Indexes of Rice Filed Eel(Monopterus albus)
曹晓莉;钟蕾;戴振炎;胡亚军;陈开健;胡毅;
摘要(Abstract):
本试验旨在研究宠物级鸡肉粉替代鱼粉对黄鳝(Monopterus albus)生长性能、肠道消化酶活性及血清生化指标的影响。以宠物级鸡肉粉分别替代基础饲料中0(P-PBM0组,作为对照组)、15%(P-PBM15组)、30%(P-PBM30组)、45%(P-PBM45组)、60%(P-PBM60组)的鱼粉,配制5种等氮等能的试验饲料。选取900尾初始体重为(26.67±0.05) g的黄鳝,随机分为5个组,每组设3个重复,每个重复60尾,养殖试验持续8周。结果显示:随着宠物级鸡肉粉替代鱼粉比例的升高,黄鳝的增重率呈下降趋势,饲料系数呈上升趋势,P-PBM45、P-PBM60组的增重率较对照组显著降低(P<0.05),同时P-PBM60组的饲料系数较对照组显著升高(P<0.05)。各替代组黄鳝的体成分均与对照组无显著差异(P>0.05)。与对照组相比,各替代组黄鳝肠道脂肪酶活性均显著降低(P<0.05)。当替代比例超过45%时,血清中高密度脂蛋白、低密度脂蛋白、尿素氮、补体3、补体4含量以及谷草转氨酶和谷丙转氨酶活性均较对照组显著升高(P<0.05)。P-PBM60组血清中白蛋白和甘油三酯含量均显著高于对照组(P<0.05)。由此得出,本试验条件下,宠物级鸡肉粉替代鱼粉比例不超过45%时,对黄鳝的生长性能以及生理功能无负面影响。
关键词(KeyWords): 宠物级鸡肉粉;黄鳝;生长性能;消化酶活性;血清生化指标
基金项目(Foundation): 国家自然科学基金项目(31572626)
作者(Author): 曹晓莉;钟蕾;戴振炎;胡亚军;陈开健;胡毅;
Email:
DOI:
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