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Plasma metabolites associated with physiological and biochemical indexes indicate the effect of caging stress on mallard ducks (Anas platyrhynchos)

文献类型： 外文期刊

作者： Zheng, Chao 1 ; Wu, Yan 1 ; Liang, Zhen Hua 1 ; Pi, Jin Song 1 ; Cheng, Shi Bin 1 ; Wei, Wen Zhuo 1 ; Liu, Jing Bo 2 ; Lu, Li Zhi 3 ; Zhang, Hao 1 ;

作者机构： 1.Hubei Acad Agr Sci, Hubei Key Lab Anim Embryo Engn & Mol Breeding, Inst Anim Husb & Vet Sci, Wuhan 430064, Peoples R China

2.Southwest Univ Sci & Technol, Sch Life Sci & Engn, Mianyang 621010, Sichuan, Peoples R China

3.Zhejiang Acad Agr Sci, Inst Anim Husb & Vet Med, Hangzhou 310021, Peoples R China

关键词： Caging Stress; Mallard Duck; Plasma Index; Plasma Metabolites; Production Performance

期刊名称：ANIMAL BIOSCIENCE

ISSN： 2765-0189

年卷期： 2022 年 35 卷 2 期

页码：

收录情况： SCI

摘要： Objective: Cage rearing has critical implications for the laying duck industry because it is convenient for feeding and management. However, caging stress is a type of chronic stress that induces maladaptation. Environmental stress responses have been extensively studied, but no detailed information is available about the comprehensive changes in plasma meta-bolites at different stages of caging stress in ducks. We designed this experiment to analyze the effects of caging stress on performance parameters and oxidative stress indexes in ducks. Methods: Liquid chromatography tandem mass spectrometry (LC/MS-MS) was used to determine the changes in metabolites in duck plasma at 5 (CR5), 10 (CR10), and 15 (CR15) days after cage rearing and traditional breeding (TB). The associated pathways of differ-entially altered metabolites were analyzed using Kyoto encyclopedia of genes and genomes (KEGG) database. Results: The results of this study indicate that caging stress decreased performance para-meters, and the plasma total superoxide dismutase levels were increased in the CR10 group compared with the other groups. In addition, 1,431 metabolites were detected. Compared with the TB group, 134, 381, and 190 differentially produced metabolites were identified in the CR5, CR10, and CR15 groups, respectively. The results of principal component analysis (PCA) show that the selected components sufficiently distinguish the TB group and CR10 group. KEGG analysis results revealed that the differentially altered metabolites in duck plasma from the CR5 and TB groups were mainly associated with ovarian steroidogenesis, biosynthesis of unsaturated fatty acids, and phenylalanine metabolism. Conclusion: In this study, the production performance, blood indexes, number of meta-bolites and PCA were compared to determine effect of the caging stress stage on ducks. We inferred from the experimental results that caging-stressed ducks were in the sensitive phase in the first 5 days after caging, caging for approximately 10 days was an important transition phase, and then the duck continually adapted.

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