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当前位置: 首页 > 文章 > 硫代甜菜碱对肉仔鸡生长性能、胴体品质和脂肪代谢的影响 动物营养学报 2008,20 (3) 53-57
Position: Home > Articles > Effects of DMPT on Growth Performance,Carcass Quality and Fat Metabolism of Broiler Chickens Chinese Journal of Animal Nutrition 2008,20 (3) 53-57

硫代甜菜碱对肉仔鸡生长性能、胴体品质和脂肪代谢的影响

作  者：
郭义;王述柏;单虎;朱香萍;刘迎春
单  位：
青岛市畜牧兽医研究所;青岛农业大学动物科技学院
关键词：
DMPT;肉仔鸡;生长性能;胴体品质;脂肪代谢
摘  要：
本试验旨在研究日粮中添加硫代甜菜碱(DMPT)对肉仔鸡生长性能、胴体品质和脂肪代谢的影响。选取360只1日龄健康AA肉仔鸡随机分为6组,每组6个重复,每个重复10只鸡,第1～5组为试验组,分别在基础日粮中添加400、800、1200、1600、2000mg/kgDMPT,对照组饲喂基础日粮,试验期为42d。结果表明:与对照组相比,试验组平均日增重(第2～4组)显著升高(P<0.05),料重比(第2～4组)显著降低(P<0.05),屠体重(第3组)显著升高(P<0.05),腹脂率(第1、3组),肌间脂宽(第3组)和皮脂厚(第2～5组)显著降低(P<0.05);胸肌(第3、4组)和腿肌(第3组)肌内脂肪的含量极显著升高(P<0.01);血清甘油三酯(第3组)、胆固醇(第2、3组)的含量显著降低(P<0.05),游离脂肪酸的含量(第3、4组)、腹脂激素敏感脂肪酶(第2、3组)和血清脂肪酶(第3、4组)活性显著升高(P<0.05)。可见,DMPT可促进肉仔鸡生长,改善胴体脂肪分布,而胴体脂肪分布的变化可能与脂肪酶活性的变化有关。
译  名：
Effects of DMPT on Growth Performance,Carcass Quality and Fat Metabolism of Broiler Chickens
作  者：
GUO Yi1 WANG Shu-bai1 SHAN Hu1 ZHU Xiang-ping1 LIU Ying-chun2(1.College of animal science and technology,Qingdao Agricultural University,Qingdao 266109,China;2.Institute of animal husbandry and veterinary,Qingdao 266100,China)
关键词：
DMPT;Broiler chicken;Growth performance;Carcass quality;Fat metabolism
摘  要：
The experiment was conducted to study the effects of DMPT on growth performance,carcass quality and fat metabolism of broiler chickens.Three hundred and sixty 1-day-old healthy AA broiler chickens were randomly divided into 6 treatments with 6 replicates of 10 chickens.The group 6(the control group) was fed with the basal diet,while group 1～5(the trail group) were fed with diets added with 400,800,1 200,1 600,2 000 mg/kg of DMPT respectively.The experiment lasted for 6 weeks.The results showed that,compared with the control group,the average daily gain(group 2～4) was increased significantly(P<0.05),while the feed/gain ratio(group 2～4) was decreased significantly(P<0.05);the carcass weight(group 3) was increased significantly(P<0.05);the percentage of abdominal fat(group 1 and 3),the intermuscular fat width(group 3) and the thickness of subcutaneous fat(group 2～4) were decreased significantly(P<0.05).Intramuscular fat of chest(group 3 and 4) and leg(group 3) muscle was increased extremely significantly(P<0.01);the serum triglyceride(group 3) and cholesterol(group 2 and 3) contents were decreased significantly(P<0.05);the serum free fat acid content(group 3 and 4) and the activity of hormone sensitive lipase in abdominal fat(group 2 and 3) and the serum lipase(group 3 and 4) were increased significantly(P<0.05).In conclusion,DMPT could increase growth performance and improve carcass fat distribution of broiler chickens.The change of carcass fat distribution may be related with the change of lipase activity.

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