ACTA AGRICULTURAE BOREALI-SINICA ›› 2000, Vol. 15 ›› Issue (3): 140-144. doi: 10.3321/j.issn:1000-7091.2000.03.029

Special Issue: Animal husbandry

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Effect of Heat Stress on Performance of Broilers and Some Blood Biological and Endocrinological Varibles

LI Shaoyu1, ZHANG Minhong1, ZHANG Ziyi1, YAN Shenfei2, DU Rong2, WANG Keling2, WEI Fengxian3   

  1. 1. Institute of Animal Sciences, Henan Academy of Agricultural Sciences, Zhenzhou Henan 450002, China;
    2. Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100094, China;
    3. Xinyang Higher Training School of Agricuotural Sciences, Xinyang Henan 464000, China
  • Published:2000-09-28

Abstract: 144 heads of 28-day-old broilers were equally divided into 3 groups. There were 3 replicates in each group and 16 chickens in each replicate. Pair test design was adopted to test the effect of ambient temperature on broilers. One group broilers (22AL) fed ad libitum in neutral thermal environment (ET 21.2 ℃, AT 22 ℃ and RH, 50%), another group broilers (33AL) raised in high effect temperature (ET 35.2 ℃, AT 33 ℃ and RH, 50%) by ad libitum feeding, still another group of broilers (22 PF) raised in neutral thermal but the given feed consumed by 33 AL just before one day. It was found high temperature decreased food intake, and growth rate and feed conversion efficiency in which independ of reduction of food intake. Heat exposure enhanced significantly creatine kinase (ck) and glucose, reduced triiodothyronine (T3) and triglyceride. Independ of decrease of feed intake, high ambient temperature increased TBARS level in liver and plasma of broilers.

Key words: Heat stress, Broiler, Physiology and biochemistry, TBARS

Cite this article

LI Shaoyu, ZHANG Minhong, ZHANG Ziyi, YAN Shenfei, DU Rong, WANG Keling, WEI Fengxian. Effect of Heat Stress on Performance of Broilers and Some Blood Biological and Endocrinological Varibles[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2000, 15(3): 140-144. doi: 10.3321/j.issn:1000-7091.2000.03.029.

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