Investigating the correlation between phenotypes, adrenal transcriptome, and serum metabolism in laying ducks exhibiting varying behaviours under the same stressor

•Correlated behaviour, phenotypes, transcriptome and metabolism were studied in ducks.•Behavioural response impacts duck performance, immunity, and antioxidant capacity.•High-active avoidance ducks show lower weight gain and egg weight.•Integrated analysis of transcriptomic and metabolomic revealed...

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Bibliographic Details
Published in:Animal (Cambridge, England) England), 2024-11, Vol.18 (11), p.101343, Article 101343
Main Authors: Sun, H.X., Guo, R.B., Gu, T.T., Zong, Y.B., Xu, W.W., Chen, L., Tian, Y., Li, G.Q., Lu, L.Z., Zeng, T.
Format: Article
Language:English
Subjects:
Adrenal Glands - metabolism
Animals
Antioxidants - metabolism
Behavior, Animal - physiology
Ducks - genetics
Ducks - metabolism
Ducks - physiology
Female
Metabolomics
Phenotype
Production
Shanma ducks
Stress
Stress, Physiological
Transcriptome
Transcriptomics
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Summary:•Correlated behaviour, phenotypes, transcriptome and metabolism were studied in ducks.•Behavioural response impacts duck performance, immunity, and antioxidant capacity.•High-active avoidance ducks show lower weight gain and egg weight.•Integrated analysis of transcriptomic and metabolomic revealed strong correlations.•EXOSC3 gene correlates with differential metabolites and duck phenotype. Laying ducks in cage environments face various stressors, including the fear of novelty, which negatively affects their behaviour and performance. The reasons behind the variation in behaviour under identical stress conditions are not well understood. This study investigated how different behaviours affect production performance, immune response, antioxidant capabilities, adrenal gene expression, and serum metabolite profiles in caged laying ducks subjected to the same stressor. Overall, 42-week-old laying ducks (N = 300) were selected, fed for 60 days, and simultaneously underwent behavioural tests. Based on their behavioural responses, 24 ducks were chosen and categorised into two groups: high-active avoidance (HAA) and low-active avoidance (LAA). The study utilised phenotypic, genetic, and metabolomic analyses, coupled with bioinformatics, to identify crucial biological processes, genes, and metabolites. The results indicated that ΔW (BW gain) and average daily egg weight (ADEW) were significantly lower in the HAA group compared to the LAA group (P 
ISSN:1751-7311
1751-732X
1751-732X
DOI:10.1016/j.animal.2024.101343