Gut microbiome composition differences among breeds impact feed efficiency in swine.

Microbiome
Matteo BergamaschiC Maltecca

Abstract

Feed efficiency is a crucial parameter in swine production, given both its economic and environmental impact. The gut microbiota plays an essential role in nutrient digestibility and is, therefore, likely to affect feed efficiency. This study aimed to characterize feed efficiency, fatness traits, and gut microbiome composition in three major breeds of domesticated swine and investigate a possible link between feed efficiency and gut microbiota composition. Average daily feed intake (ADFI), average daily gain (ADG), feed conversion ratio (FCR), residual feed intake (RFI), backfat, loin depth, and intramuscular fat of 615 pigs belonging to the Duroc (DR), Landrace (LR), and Large White (LW) breeds were measured. Gut microbiota composition was characterized by 16S rRNA gene sequencing. Orthogonal contrasts between paternal line (DR) and maternal lines (LR+LW) and between the two maternal lines (LR versus LW) were performed. Average daily feed intake and ADG were statistically different with DR having lower ADFI and ADG compared to LR and LW. Landrace and LW had a similar ADG and RFI, with higher ADFI and FCR for LW. Alpha diversity was higher in the fecal microbial communities of LR pigs than in those of DR and LW pigs for all tim...Continue Reading

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Citations

Dec 3, 2020·Microorganisms·Gillian E GardinerPeadar G Lawlor
Dec 31, 2020·Animals : an Open Access Journal From MDPI·Giulietta MinozziSimona Cannas
Jan 30, 2021·Computational and Structural Biotechnology Journal·Francesco TiezziChristian Maltecca
Feb 27, 2021·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Amir AliakbariHélène Gilbert
Jun 29, 2021·Microbiome·Alexander S F BerryDaniel P Beiting
Jul 3, 2021·Animals : an Open Access Journal From MDPI·Mohamed ZeineldinJames Lowe

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Methods Mentioned

BETA
amplicon sequencing
Illumina sequencing

Software Mentioned

R package “ cluster ”
Divisive Amplicon Denoising Algorithm 2 ( DADA2 )
R
FLASH
R package “ cluster
MiSeq Reporter
edgeR
R package “ clusterSim ”
Swine Image Analysis
SAS

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