Constant heat stress reduces skeletal muscle protein deposition in broilers.
作者： Jianjun Zuo , Mei Xu , Yusuf Auwalu Abdullahi , Limei Ma , Zhongyue Zhang
DOI: 10.1002/JSFA.6749
关键词:
摘要: BACKGROUND This experiment was conducted to evaluate the effects of constant heat stress on growth performance and protein metabolism in skeletal muscle Arbor Acres broilers. RESULTS Two hundred seventy 21-day-old broilers with similar body weight (1298 ± 28 g) were selected for a 3-week trial (29–49 days age). The randomly assigned three groups including control group, group pair-fed group. Up-regulation rectal temperature mRNA expression shock 70 liver indicate that model success. average daily gain, feed conversion ratio, breast thigh weight, percentage muscle, crude content significantly lower than Serum uric acid glutamic-oxaloacetic transaminase activity higher, while glutamic-pyruvate groups. insulin-like factor 1, phosphatidylinositol 3-kinase p70S6 kinase associated synthesis but higher compared or fed-pair In muscles, ring-finger protein-1 MAFbx degradation groups. CONCLUSION Poor birds under may be due increased proteins. © 2014 Society Chemical Industry
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