茶多酚对朗德鹅产肝性能和血清脂类成分的影响

采用单因素试验设计方案。将14周龄、体重相近的健康公朗德鹅150只随机分成5组,每组30只,每只一个重复。对照组饲喂基础日粮,试验组在基础日粮基础上分别添加40、80、160、320mg/kg茶多酚,以研究茶多酚对朗德鹅产肝性能和血清脂类成分的影响。试验结果表明,1)160mg/kg添加组肥肝重、肝屠比,与对照组和320mg/kg添加组均差异显著(P<0.05),肝体比与对照组和320mg/kg添加组差异均显著(P<0.01)。2)320mg/kg添加组血清甘油三酯含量(TG)与对照组和其他试验组差异均显著(P<0.05);320mg/kg添加组血清总胆固醇含量(TC)与对照组差异均显著(P<0.05),与其他试验组差异不显著(P>0.05);高密度脂蛋白胆固醇(HDL-C)和低密度脂蛋白胆固醇(LDL-C)各组差异均不显著(P>0.05)。试验结论:在玉米型日粮添加40￣160mg/kg均能提高朗德鹅产肝性能,添加160mg/kg茶多酚朗德鹅产肝性能最佳,添加320mg/kg茶多酚能显著降低血清TG和TC含量。

Effects of tea polyphenols on fatty liver performance and serum lipids in Landaise geese

The trial was conducted to study the effects of tea polyphenols(TP) on Landaise geese'fatty liver performance and serum lipid components.One hundred fifty 14-week old Landaise geese,with similar body weight,raised with similar feeding were randomly allotted into 5 treatments,20 geese every treatment,one goose each replicate.Diets were fed with basal diet supplement with 0,40,80,160,320 mg/kg TP,respectively.The results as follows: 1)Liver weight and ratio of liver weight to carcass both showed a significant difference between control group and 160 mg/kg group or and 320 mg/kg group(P < 0.05).Meanwhile the ratio of liver weight to body weigh showed a significant difference between above groups(P < 0.01).2)Significant difference in the concentration of serum TG was observed between two groups in which the mount of TP 0 and 320 mg/kg or 320 mg/kg and other trial groups(P < 0.05).The concentration of serum TC had a significant difference between control and 320 mg/kg group(P < 0.05),but no significant difference between group 320 mg/kg and other trial groups (P > 0.05).No significant difference in the concentration of serum HDL-C or LDL-C was observed among the treatment groups(P > 0.05).The results showed that the fatty liver performance was improved after supplying with proper mount of TP and the best one was the amount of 160 mg/kg TP group.The mount of serum TG and TC was significantly reduced adding the amount of 320 mg/kg TP.