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首页> 外文期刊>Research Opinions in Animal & Veterinary Sciences >The effects of different levels of L-Carnitine and methionine on performance and blood metabolites in female broiler
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The effects of different levels of L-Carnitine and methionine on performance and blood metabolites in female broiler

机译:不同水平的左旋肉碱和蛋氨酸对雌性肉鸡生产性能和血液代谢的影响

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The present study was conducted to determine the effects of different levels of L-Carnitine (Lohman 20% Carnitine) and methionine on female broiler chickens in a completely randomized experimental design with 12 treatments and 3 replicates in 36 pen with three levels of L-Carnitine (0, 75 and 150 mg.kg) and four levels of methionine (85, 100, 115 and 130 NRC%). At 42 d, 2 chickens from each replicate were randomly taken for measurements of body weight, serum triglyceride (TG), cholesterol (CHOL), low density lipoprotein (LDL), high density lipoprotein (HDL), glucose (GLU), aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP). The highest body weight (P<0.05) was found at the level of 115% methionine + 150 mg/kg L-Carnitine with beneficial effect on serum Glu, TG, AST and ALP. In conclusion, we opined that the best combination was 115% methionine and 150 mg/kg L-Carnitine for optimum production in broiler.
机译:在完全随机的实验设计中,本研究旨在确定不同水平的L-肉碱(Lohman 20%肉碱)和蛋氨酸对雌性肉鸡的影响,该实验设计为12种治疗和3份重复试验,在36支笔中进行了重复,其中三个水平的L-肉碱(0、75和150 mg.kg)和四个含量的蛋氨酸(85、100、115和130 NRC%)。在第42天,从每只复制品中随机抽取2只鸡以测量体重,血清甘油三酸酯(TG),胆固醇(CHOL),低密度脂蛋白(LDL),高密度脂蛋白(HDL),葡萄糖(GLU),天冬氨酸转氨酶(AST),丙氨酸转氨酶(ALT)和碱性磷酸酶(ALP)。发现最高体重(P <0.05)为115%蛋氨酸+ 150 mg / kg L-肉碱,对血清Glu,TG,AST和ALP有有益作用。总之,我们认为最佳组合是115%的蛋氨酸和150 mg / kg的L-肉碱,以实现肉鸡的最佳产量。

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