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Dietary live yeast supplementation alleviates transport‐stress‐impaired meat quality of broilers through maintaining muscle energy metabolism and antioxidant status
Author(s) -
He Tengfei,
Ma Jiayu,
Mahfuz Shad,
Zheng Yuhui,
Long Shenfei,
Wang Jian,
Wu Di,
Piao Xiangshu
Publication year - 2022
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.11758
Subject(s) - malondialdehyde , antioxidant , antioxidant capacity , basal (medicine) , biology , zoology , food science , medicine , endocrinology , biochemistry , insulin
BACKGROUND This experiment was to investigate the effect of dietary live yeast (LY, 1 × 10 10 CFU g −1 ) supplementation on serum metabolic parameters, meat quality as well as antioxidant enzyme activity of transported broilers. A total of 192 one‐day‐old broilers were randomly assigned to four treatments with six replicates and eight chicks per replicate: a basal diet without transportation (CON), a basal diet containing 0 (T), 500 (T + LY 500 ) and 1000 mg kg −1 (T + LY 1000 ) LY with 3 h of transportation after feeding for 42 days, respectively. The serum and muscle samples of broilers were collected immediately after 3 h of transportation. RESULTS A higher ( P < 0.05) final body weight and average daily weight gain were observed in T + LY 1000 group compared with CON and T groups. The T + LY 1000 group reduced ( P < 0.05) the serum lactate contents and improved ( P < 0.05) the pH 24h and decreased ( P < 0.05) the drip loss in muscles of transported‐broilers. Also, the T + LY 1000 group enhanced ( P < 0.05) the total‐antioxidant capacity and reduced ( P < 0.05) the malondialdehyde in serum and muscles. Besides, the messenger RNA (mRNA) expression of avian uncoupling protein (avUCP) in muscles was down‐regulated ( P < 0.05) of T + LY 1000 group compared with T group. CONCLUSION Dietary LY supplementation alleviates transport‐stress‐impaired meat quality of broilers through maintaining muscle energy metabolism and antioxidant status. Therefore, LY may serve as a potential protector for broilers under transport stress in the future. © 2022 The Authors. Journal of The Science of Food and Agriculture published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.