硫辛酸对围产期奶牛血清脂肪代谢和肝功能酶的影响

被引:15
作者
朱家桥 [1 ]
曹随忠 [1 ,2 ]
熊桂林 [1 ]
顾建红 [1 ]
汪纪仓 [1 ]
刘宗平 [1 ]
机构
[1] 扬州大学兽医学院
[2] 四川农业大学动物医学院
关键词
奶牛; 围产期; 硫辛酸; 脂肪代谢; 肝脏功能;
D O I
暂无
中图分类号
S823 [牛];
学科分类号
摘要
目的探讨硫辛酸对围产期奶牛血清脂肪代谢和肝功能酶的影响。方法选择产前约20d的干乳期奶牛48头,分为4组,Ⅰ组为对照组,Ⅱ、Ⅲ、Ⅳ组分别每头补饲硫辛酸3、5、8g·d-1,连续50d,检测血清甘油三酯(TG)、总胆固醇(Chol)、非酯化脂肪酸(NEFA)、高密度脂蛋白(HDL)、低密度脂蛋白(LDL)含量及血清碱性磷酸酶(AKP)、γ-谷氨酰转移酶(γ-GT)、乳酸脱氢酶(LDH)、丙氨酸氨基转移酶(ALT)、天门冬氨酸氨基转移酶(AST)活性。结果第Ⅲ、Ⅳ组血清NEFA含量第20天后低于对照组,第Ⅳ组第30天显著低于对照组(P<0.05);试验组血清AST活性第30天后均显著(P<0.05)或极显著(P<0.01)低于对照组;其它指标各处理组之间无显著差异(P>0.05)。结论硫辛酸可改善围产期奶牛的脂肪代谢,有效保护奶牛围产期肝脏功能的损伤。
引用
收藏
页码:1933 / 1938
页数:6
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