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- Title
Effects of yeast hydrolysate on growth performance, serum parameters, carcass traits, meat quality and antioxidant status of broiler chickens.
- Authors
Wang, Ting; Cheng, Kang; Yu, CaiYun; Tong, YiChun; Yang, ZaiBin; Wang, Tian
- Abstract
BACKGROUND: Yeast hydrolysate (YH) has multiple salutary biological activities. Nevertheless, the application of YH in broiler production is limited. This study was conducted to evaluate the protective effects of YH derived from Saccharomyces cerevisiae by exploring growth performance, serum parameters, organs relative weight, carcass traits, meat quality and antioxidant status of broilers. RESULTS: Supplementing YH linearly and quadratically improved (P < 0.05) body weight gain and gain‐to‐feed ratio compared to that in the control group. Triglycerides, low‐density lipoprotein cholesterol and total cholesterol in serum, the decline in pH and cooking loss of breast muscle, and malonaldehyde concentration in serum and liver were decreased linearly and/or quadratically by YH (P < 0.05), whereas high‐density lipoprotein cholesterol in serum, superoxide dismutase (SOD) and glutathione peroxidase (GSH‐Px) activities in serum, GSH‐Px activity in liver, glutathione content in serum and liver, eviscerated yield rate and chest muscle yield, and the relative weight of spleen and liver were linearly and/or quadratically increased (P < 0.05). Moreover, YH enhanced the mRNA levels of nuclear factor erythroid 2‐related factor 2, heme oxygennase‐1 (HO‐1), GSH‐Px1 and SOD1 (linear and/or quadratic, P < 0.05). CONCLUSION: Dietary YH beneficially affected growth performance, serum parameters, organ relative weight, carcass traits, meat quality and antioxidant status in broilers, indicating its potential application as a promising feed additive in broiler production. © 2021 Society of Chemical Industry.
- Subjects
SOCIETY of Chemical Industry (Great Britain); OXIDANT status; HDL cholesterol; LDL cholesterol; MEAT quality; ERECTOR spinae muscles; BROILER chickens; FISH growth; POULTRY breeding
- Publication
Journal of the Science of Food & Agriculture, 2022, Vol 102, Issue 2, p575
- ISSN
0022-5142
- Publication type
Article
- DOI
10.1002/jsfa.11386