菊苣酸对围产期放牧牦牛生长性能、血清生化指标及抗氧化能力的影响

doi:10.16431/j.cnki.1671-7236.2019.02.015

摘要/Abstract

摘要：

试验旨在研究菊苣酸对放牧牦牛围产期生长性能、血清生化指标及抗氧化能力的影响。选择体况良好、体重接近（195~205 kg）的围产期牦牛16头，随机分为2组，每组8头，对照组饲喂精料补充料+燕麦青干草，试验组饲喂精料补充料+燕麦青干草+0.15 kg/d菊苣酸。试验期60 d（从产前30 d到产后30 d），于产前第15天、产前第7天、分娩当天、产后第7天、产后第15天采集血液，进行相应指标的测定。结果显示：在产后第15天，试验组牦牛血清尿素氮（BUN）显著低于对照组（P<0.05）；在分娩当天和产后第7天，试验组牦牛血清葡萄糖（GLU）含量、碱性磷酸酶（ALP）活性及总抗氧化能力（T-AOC）显著高于对照组（P<0.05），谷草转氨酶（AST）活性显著低于对照组（P<0.05）；在分娩当天，试验组牦牛血清谷胱甘肽过氧化物酶（GSH-Px）、超氧化物岐化酶（SOD）活性显著高于对照组（P<0.05），血清丙二醛（MDA）含量显著低于对照组（P<0.05）。综合试验结果，添加菊苣酸能有效缓解围产期放牧牦牛氧化应激状态，提高其抗氧化能力。

关键词: 菊苣酸; 围产期; 大通放牧牦牛; 生长性能; 血清生化指标; 抗氧化能力

Abstract:

The aim of this experiment was to study the effects of chicory acid on the growth performance,serum biochemical indices and antioxidant capacity of grazing yak in perinatal period.Sixteen perinatal grazing yak with good body condition and similar weight (195 to 205 kg) were chosen and randomly divided into two groups,each group had eight yak,the control group was fed with concentrate supplement and oat green hay,and the experimental group was fed with concentrate supplement,0.15 kg/d chicory acid and oat green hay.The trial period was 60 days (from 30 days before delivery to 30 days after delivery),and the blood samples were collected on the 15th day before delivery,7th day before delivery,day of childbirth,7th day after delivery,and 15th day after delivery,and the corresponding indicators were determined.The results showed that,compared with the control group, on the 15th day after delivery, the contents of serum urea nitrogen (BUN) was significantly lower (P<0.05);On the day of childbirth and the 7th day after delivery,the activities of aspartate transaminase (AST) was significantly lower (P<0.05),while the contents of serum glucose (GLU), the activity of serum alkaline phosphatase (ALP) and total antioxidant capacity (T-AOC) were significantly higher (P<0.05); And on the day of childbirth, the activities of serum glutathione peroxidase (GSH-Px), superoxide dismutase (SOD) were significantly higher, and malondialdehyde (MDA) content was significantly lower (P<0.05) in experimental group. The results of this study indicated that adding chicory acid to the perinatal gr azing yak supplement diet could effectively improve the blood biochemical indexes, alleviate the oxidative stress state and improve the antioxidant capacity of grazing yak during perinatal period.

Key words: chicory acid; perinatal period; datong grazing yak; growth performance; serum biochemical indices; antioxidant capacity

中图分类号:

S816.7

阿顺贤, 罗增海, 张文颖, 王爱超, 张元新, 吴华. 菊苣酸对围产期放牧牦牛生长性能、血清生化指标及抗氧化能力的影响[J]. 《中国畜牧兽医》, 2019, 46(2): 449-457.

A Shunxian, LUO Zenghai, ZHANG Wenying, WANG Aichao, ZHANG Yuanxin, WU Hua. Effects of Chicory Acid on Growth Performance,Serum Biochemical Indices and Antioxidant Ability of Grazing Yak in Perinatal Period[J]. , 2019, 46(2): 449-457.

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