Effects of dietary supplement with licorice and rutin mixture on production performance, egg quality, antioxidant capacity, and gut microbiota in quails (Turnix tanki).

Autor:	Li Y; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, PR China., Du X; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, PR China., Pian H; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, PR China., Fan X; Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou, PR China., Zhang Y; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, PR China., Wang T; Key Laboratory of Microbial Technology and Bioinformatics of Zhejiang Province, Hangzhou, PR China., Zhai F; Tangrenshen Group Shares Co, Ltd., Zhuzhou, Hunan, PR China., Abro SM; Joint International Research Laboratory of Animal Health and Food Safety of Ministry of Education & Single Molecule Nanometry Laboratory, Nanjing Agricultural University, Nanjing, PR China; Department of Veterinary Medicine, Sindh Agriculture University Tandojam, Sindh, Pakistan., Yu D; College of Animal Science and Technology, Nanjing Agricultural University, Nanjing, PR China. Electronic address: yudebing@njau.edu.cn.
Jazyk:	angličtina
Zdroj:	Poultry science [Poult Sci] 2023 Nov; Vol. 102 (11), pp. 103038. Date of Electronic Publication: 2023 Aug 23.
DOI:	10.1016/j.psj.2023.103038
Abstrakt:	This study was conducted to evaluate the effect of licorice and rutin on production performance, egg quality, and mucosa antioxidant levels in Chinese yellow quail. A total of 240 Chinese Yellow Quail (400-day-old) were randomly distributed into 5 groups: the Control group, fed with a basic diet; the LR1 group, fed with basal diet supplemented with 300 + 100 mg licorice and rutin mixture/kg diet; the LR2 group, fed with basal diet supplemented with 300 + 200 mg licorice and rutin mixture/kg diet; the LR3 group, fed with basal diet supplemented with 600 + 100 mg licorice and rutin mixture/kg diet and the LR4 group, fed with basal diet supplemented with 600 + 200 mg licorice and rutin mixture/kg diet. Compared with the control, supplementation with the licorice and rutin mixture improved the laying rate and eggshell thickness whereas decreased the feed conversion ratio of quails. Moreover, dietary supplementation with the licorice and rutin mixture improved the antioxidant capacity by increasing the activity of the superoxide dismutase (SOD) level and decreasing the concentration of malondialdehyde (MDA) in the jejunal mucosa. The licorice and rutin mixture altered the composition of intestinal microbiota by influencing the relative abundances of Bacteroidetes and Bacteroides. The relative abundances of the Bacteroidetes were significantly related to the laying rate of quails. In addition, the mixture of licorice and rutin was also effective in reducing the relative abundance of intestinal Proteobacteria and Enterobacter in quails, reducing the accumulation of antibiotic-resistance genes. The results revealed that supplementation of licorice and rutin mixture to the diet improved production performance, egg quality, and antioxidant capacity and modified the composition of intestinal microbiota in quails. This study provides a reference for Chinese herbal additives to promote production performance by modulating quail gut microbes. (Copyright © 2023 The Authors. Published by Elsevier Inc. All rights reserved.)
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