Effects of Dietary Galla Chinensis Tannin Supplementation on Antioxidant Capacity and Intestinal Microbiota Composition in Broilers

Author:

Yuan Peng1,Ren Xiaojie2,Niu Jiaxing1,Liu Yang1,Huang Libo1,Jiang Shuzhen1ORCID,Jiao Ning1,Yuan Xuejun3ORCID,Yang Weiren1,Li Yang1ORCID

Affiliation:

1. Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Key Laboratory of Efficient Utilization of Non-Grain Feed Resources, Ministry of Agriculture and Rural Affairs, Department of Animal Science and Veterinary Medicine, Shandong Agricultural University, Daizong Street 61#, Tai’an 271018, China

2. Shandong Taishan Shengliyuan Group Co., Ltd., Tai’an 271000, China

3. College of Life Sciences, Shandong Agricultural University, Daizong Street 61#, Tai’an 271018, China

Abstract

The current study aimed to investigate the effects of dietary Galla Chinensis tannin (GCT) supplementation on antioxidant capacity and gut microbiota composition in broilers. Two hundred eighty-eight Arbor Acres broiler chicks were divided into the CON group and the GCT group; each treatment group contained 6 replicates with 24 broiler chicks per replicate for a period of 42 days, and were fed either a basal diet or the basal diet supplemented with 300 mg/kg GCT. Results revealed that GCT supplementation significantly increased glutathione peroxidase (GSH-Px) activity (p < 0.05) and significantly decreased malondialdehyde (MAD) concentrations in serum (p < 0.05) and significantly increased GSH-Px and catalase (CAT) (p < 0.05) and significantly decreased MDA concentrations in the small intestine. In addition, GCT significantly up-regulated (p < 0.05) the gene expressions of nuclear factor erythroid 2-related factor 2 (Nrf2), heme-oxygenase 1 (HO-1), catalase (CAT), glutathione peroxidase-1 (GPX1), and NAD(P)H quinone oxidoreductase 1(NQO1). High-throughput sequencing results showed that GCT supplementation significantly increased abundances of Faecalibacterium and Megamonas (p < 0.05). These findings will contribute to our understanding of the effects of dietary Galla Chinensis tannin supplementation on antioxidant capacity and intestinal microbiota composition in broilers.

Funder

Science and technology innovation project of medium, small and micro enterprises in Shandong Province

Publisher

MDPI AG

Subject

Plant Science,Agronomy and Crop Science,Food Science

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