动物营养学报 >

2016 , Vol. 28 >Issue 4: 1168 - 1176

DOI: https://doi.org/10.3969/j.issn.1006-267x.2016.04.027

研究简报 Short Communications

补喂支链氨基酸对速步马1 km速步赛成绩及赛前、赛后血浆生化指标的影响

  • 李晓斌 ,
  • 马军 ,
  • 聂彪彪 ,
  • 杨景焘 ,
  • 乔春江 ,
  • 杨开伦
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  • 新疆农业大学动物科学学院, 新疆肉乳用草食动物营养重点实验室, 乌鲁木齐 830052

收稿日期: 2015-11-13

  网络出版日期: 2016-04-11

基金资助

新疆维吾尔自治区重大科技专项资金资助(201130101)

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Effects of Supplemental Feeding Branched-Chain Amino Acids on Result of 1 km Trot Race and Plasma Biochemical Indices before and after 1 km Trot Race in Trotters

  • LI Xiaobin ,
  • MA Jun ,
  • NIE Biaobiao ,
  • YANG Jingtao ,
  • QIAO Chunjiang ,
  • YANG Kailun
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  • Xinjiang Key Laboratory of Meat & Milk Production Herbivore Nutrition, College of Animal Science, Xinjiang Agricultural University, Urumqi 830052, China

Received date: 2015-11-13

  Online published: 2016-04-11

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摘要

本试验旨在通过研究补喂支链氨基酸对速步马1 km速步赛成绩及赛前、赛后血浆抗氧化指标以及激素、肌酸、葡萄糖、乳酸、肌酐含量的影响,为支链氨基酸在速步马训练、比赛中的应用提供参考数据。试验选取年龄相近(4岁左右)、体重相近[(457±50) kg]并经过严格训练的伊犁马公马8匹(速步赛用马),随机分为2组,分别为对照组、试验组,每组4匹。每天每匹马分别饲喂3 kg颗粒精料,苜蓿干草自由采食,在此基础上试验组每天每匹马补喂72 g支链氨基酸(由35.0 g亮氨酸、16.6 g异亮氨基酸、20.4 g缬氨酸组成),进行为期38 d(预试期7 d,正试期31 d)的补饲试验及训练试验。结果表明:补喂支链氨基酸可提高速步马的比赛成绩,同时显著提高速步马赛后30 min血浆总抗氧化能力及赛后24 h血浆超氧化物歧化酶活力(P<0.05),但对血浆中激素、肌酸、葡萄糖、乳酸、肌酐含量无显著影响(P>0.05)。由此得出,补喂支链氨基酸可缩短速步马比赛用时,提高速步马机体的抗氧化能力,但对血浆中激素、葡萄糖、肌酸、乳酸、肌酐含量无显著影响。

关键词： 支链氨基酸; 速步马; 运动性能; 血浆生化指标

本文引用格式

李晓斌 , 马军 , 聂彪彪 , 杨景焘 , 乔春江 , 杨开伦 . 补喂支链氨基酸对速步马1 km速步赛成绩及赛前、赛后血浆生化指标的影响[J]. 动物营养学报, 2016 , 28(4) : 1168 -1176 . DOI: 10.3969/j.issn.1006-267x.2016.04.027

Abstract

This experiment aimed to study the effects of supplemental feeding branched-chain amino acids on result of 1 km trot race, and plasma antioxidant indices and the contents of hormone, creatine, glucose, lactic acid and creatinine before and after 1 km trot race in trotters, in order to provide the reference data for branched-chain amino acids application in training and competition of trotters. Eight Yili male horses(which were used in trot race) with the similar age(4-year-old) and body weight [(457±50) kg] based on strict training were divided into 2 groups. First group was control group, the other was trial group, and each group had 4 horses. Each horse was fed with 3 kg pelleted concentrate every day, and allowed free access to alfalfa hay. Besides, each horse in the trial group was fed with 72 g branched-chain amino acids(containing leucine 35.0 g, isoleucine 16.6 g and valine 20.4 g). The 38 d supplemental feeding and training experiment consisted of a 7 d adaptation period and a 31 d trial period. The results showed that supplemental feeding branched-chain amino acids could improve the result of 1 km trot race in trotters, and increase the plasma total antioxidant capacity(T-AOC) at 30 min after the race and the plasma superoxide dismutase(SOD) activity at 24 h after the race(P<0.05), but there were no significant effects on the contents of hormones, creatine, glucose, lactic acid and creatinine in plasma before and after 1 km trot race(P>0.05). Therefore, supplemental feeding branched-chain amino acids can short the time of 1 km trot race in trotters, increase the antioxidant ability, but have no significant effects on the contents of hormones, glucose, creatine, lactic acid and creatinine in plasma.

Key words： branched-chain amino acids; trotters; athletic performance; plasma biochemical indices

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