Dietary mannan oligosaccharide improves growth performance, muscle oxidative status, and meat quality in broilers under cyclic heat stress

Journal of Thermal Biology
Yefei ChengYanmin Zhou

Abstract

This study investigated the effects of dietary mannan oligosaccharide (MOS) supplementation on growth performance, serum corticosterone level, and antioxidant ability, meat quality as well as chemical composition of breast muscle in broilers exposed to cyclic heat stress (HS). 144 one-day-old male broiler chicks (Arbor Acres plus) were randomly allocated to 3 treatments with 6 replicates each. Broilers in the control and HS groups were fed a basal diet, and in the MOS group were given the basal diet supplemented with 1 g/kg MOS for 42 days, respectively. The temperature was maintained 32-33 °C for the first 3 days for all broilers, and it was gradually reduced by 3 °C per week to a final temperature of 20 °C in the control group, whereas it remained unchanged for 8 h and reduced to the same level to the control group for the remaining 16 h daily in the both HS and MOS groups. Compared with the control group, cyclic HS resulted in retarded growth performance and increased serum corticosterone level (P < 0.05). The supplementation of MOS promoted growth performance and reduced serum corticosterone concentration in broilers subjected to cyclic HS (P < 0.05). Cyclic HS increased drip loss48 h, cooking loss, malondialdehyde accumula...Continue Reading

Citations

May 19, 2018·Current Pharmaceutical Design·Predrag Sikiric
May 20, 2020·Environmental Science and Pollution Research International·Yueping ChenYanmin Zhou
Feb 16, 2021·Environmental Science and Pollution Research International·Yueping ChenYanmin Zhou
Feb 11, 2020·Current Pharmaceutical Design·Tatiane Francielle VieiraRosane Marina Peralta

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