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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

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.

Cite this article

LI Xiaobin , MA Jun , NIE Biaobiao , YANG Jingtao , QIAO Chunjiang , YANG Kailun . 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[J]. Chinese Journal of Animal Nutrition, 2016 , 28(4) : 1168 -1176 . DOI: 10.3969/j.issn.1006-267x.2016.04.027

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