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Anim Biosci > Accepted Articles
https://doi.org/10.5713/ab.23.0441    [Accepted] Published online April 1, 2024.
Effects of dietary supplementation of polysaccharide from Agaricus blazei Murr on productive performance, egg quality, blood metabolites, intestinal morphology and microbiota of Korean quail
Liang Hong1,3  , Zheng Ma1,2  , Xueyi Jing1  , Hua Yang1  , Jifei Ma1  , Lei Pu1  , Jianbin Zhang1,3,* 
1Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392, China
2College of Animal Science & Technology, Guangxi University, Guangxi 530000, China
3Tianjin Key Laboratory of Green Ecological Feed, Tianjin 301800, China
Correspondence:  Jianbin Zhang, Tel: +86-18622506899, Fax: +86-23781297, Email: zjbzwz@126.com
Received: 24 October 2023   • Revised: 15 December 2023   • Accepted: 8 February 2024
This study aimed to investigate the effects of dietary supplementation with Agaricus blazei polysaccharide (ABP) at varying concentrations on the performance, egg quality, blood biochemistry, intestinal morphology, and microflora of quail.
The study involved a total of 2,700 Korean quails, which were randomly divided into three groups. The measured variables encompassed productive performance, egg parameters, carcass parameters, serum metabolites, immune response parameters, antioxidative properties, and gut microbiome.
The addition of ABP did not have a significant effect on average daily feed intake. However, it was found to increase the average daily egg weight and egg production rate, reduce the feed-egg ratio. There were no significant impacts on egg quality measures such as egg shape index, egg yolk index and color, egg yolk and protein content. However, ABP supplementation significantly increased the Hough Unit (HU) (p<0.01) and decreased the rate of unqualified eggs(p<0.01). Regarding serum parameters, the inclusion led to an increase in total protein concentration(p<0.05) and a reduction in low-density lipoprotein cholesterol (LDL-C) (p<0.05). There were no significant effects observed on immune indicators such as immune globulin A (IgA) and immune globulin M (IgM). ABP supplementation increased the levels of serum antioxidant indicators, including glutathione peroxidase (GSH-Px), total superoxide dismutase (T-SOD) (p<0.05), and total antioxidant capacity colorimeter (T-AOC) (p<0.05). Furthermore, ABP supplementation significantly elevated the intramuscular fatty acid content in quail meat. Additionally, ABP supplementation demonstrated a significant improvement in the diversity of gut microbiota and induced alterations in the composition of the gut microbiota.
The findings of this study indicate that dietary supplementation of ABP enhanced production performance and antioxidant capacity while increasing the levels of polyunsaturated fatty acids (PUFA) in quail muscle.
Keywords: Agaricus Blazei Polysaccharide; Egg Quality; Feed Additives; Intestinal Microorganisms; Quail

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