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肠道微生物组成及预测功能与蛋鸡的啄羽和攻击行为无关。

Gut Microbial Composition and Predicted Functions Are Not Associated with Feather Pecking and Antagonistic Behavior in Laying Hens.

作者信息

Borda-Molina Daniel, Iffland Hanna, Schmid Markus, Müller Regina, Schad Svenja, Seifert Jana, Tetens Jens, Bessei Werner, Bennewitz Jörn, Camarinha-Silva Amélia

机构信息

Institute of Animal Science, University of Hohenheim, 70599 Stuttgart, Germany.

Department of Animal Sciences, University of Göttingen, 37073 Göttingen, Germany.

出版信息

Life (Basel). 2021 Mar 12;11(3):235. doi: 10.3390/life11030235.

DOI:10.3390/life11030235
PMID:33809351
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC8001194/
Abstract

BACKGROUND

Feather pecking is a well-known problem in layer flocks that causes animal welfare restrictions and contributes to economic losses. Birds' gut microbiota has been linked to feather pecking. This study aims to characterize the microbial communities of two laying hen lines divergently selected for high (HFP) and low (LFP) feather pecking and investigates if the microbiota is associated with feather pecking or agonistic behavior.

METHODS

Besides phenotyping for the behavioral traits, microbial communities from the digesta and mucosa of the ileum and caeca were investigated using target amplicon sequencing and functional predictions. Microbiability was estimated with a microbial mixed linear model.

RESULTS

Ileum digesta showed an increase in the abundance of the genus in LFP, while was abundant in HFP hens. In the caeca digesta and mucosa of the LFP line were more abundant and . Tryptophan metabolism and lysine degradation were higher in both digesta and mucosa of the HFP hens. Linear models revealed that the two lines differ significantly in all behavior traits. Microbiabilities were close to zero and not significant in both lines and for all traits.

CONCLUSIONS

Trait variation was not affected by the gut microbial composition in both selection lines.

摘要

背景

啄羽是蛋鸡群中一个众所周知的问题，它会导致动物福利受限并造成经济损失。鸟类的肠道微生物群与啄羽行为有关。本研究旨在对因高（HFP）、低（LFP）啄羽而被差异选择的两个蛋鸡品系的微生物群落进行特征描述，并研究微生物群是否与啄羽或攻击行为有关。

方法

除了对行为特征进行表型分析外，还使用目标扩增子测序和功能预测对回肠和盲肠内容物及黏膜的微生物群落进行了研究。用微生物混合线性模型估计微生物能力。

结果

LFP品系的回肠内容物中 属的丰度增加，而在HFP母鸡中 丰富。在盲肠内容物和黏膜中，LFP品系的 和 更为丰富。HFP母鸡的回肠内容物和黏膜中的色氨酸代谢和赖氨酸降解水平较高。线性模型显示，两个品系在所有行为特征上均有显著差异。两个品系的所有性状的微生物能力均接近零且不显著。

结论

两个选择品系的性状变异均不受肠道微生物组成的影响。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/86965abcd3b5/life-11-00235-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/d8d45f8dd04d/life-11-00235-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/bcf8a71c6feb/life-11-00235-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/39db3c545f55/life-11-00235-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/86965abcd3b5/life-11-00235-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/d8d45f8dd04d/life-11-00235-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/bcf8a71c6feb/life-11-00235-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/39db3c545f55/life-11-00235-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/97f4/8001194/86965abcd3b5/life-11-00235-g004.jpg

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