Exploring the genetics of feed efficiency and feeding behaviour traits in a pig line highly selected for performance characteristics

Molecular Genetics and Genomics : MGG
Henry ReyerKlaus Wimmers

Abstract

The consideration of feed efficiency traits is highly relevant in animal breeding due to economic and ecologic impacts of the efficient usage and utilization of feed resources. In pigs, corresponding observations are recorded using automatic feeding stations and serve as one of the main criteria in most pig selection programmes. Simultaneously, feeding stations also generate feeding behaviour data which represent a nearly unused resource and provide a valuable proxy measure of health status, animal welfare, and management practices. In the current study, an integrated approach was applied to a feed efficiency tested and genome-wide genotyped terminal sire line population. Therefore, genetic analyses were performed combining a single-marker based approach and a Bayesian multi-marker algorithm. Major quantitative trait loci (QTL) for feeding behaviour traits comprising daily occupation time, daily feeder visit, and daily feeding rate were identified on chromosomes 1, 4, 6, 7, 8, and 14. Feed efficiency was represented by feed conversion ratio and daily feed intake revealing prominent genomic regions on chromosomes 1, 6, 9, and 11. The positional and functional candidate genes identified are involved in transport processes like AQ...Continue Reading

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Citations

Jul 31, 2018·Asian-Australasian Journal of Animal Sciences·Seungchang KimChang-Yeon Cho
Jun 7, 2019·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Alper T Kavlak, Pekka Uimari
Mar 22, 2020·Journal of Animal Breeding and Genetics = Zeitschrift Für Tierzüchtung Und Züchtungsbiologie·Claudia KasperGiuseppe Bee
Aug 24, 2017·Scientific Reports·Henry ReyerKlaus Wimmers
May 28, 2020·Frontiers in Genetics·Nompilo Lucia HlongwaneFarai Catherine Muchadeyi
Nov 19, 2019·Frontiers in Genetics·Maria G StrillacciAlessandro Bagnato
Mar 19, 2020·Frontiers in Genetics·Priyanka BanerjeeHaja N Kadarmideen
Jul 29, 2020·Frontiers in Genetics·Lu FuXiangdong Ding
Dec 15, 2020·Journal of Animal Science·Laura VargovicKim L Bunter
Feb 7, 2021·Animals : an Open Access Journal From MDPI·Maria Giuseppina StrillacciSilvia Cerolini
Feb 1, 2021·The Science of the Total Environment·Xin LiuZengwei Yuan
Jan 31, 2021·Journal of Animal Science·Laura VargovicKim L Bunter
Sep 1, 2021·Genetics, Selection, Evolution : GSE·Martin Johnsson, Melissa K Jungnickel

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Methods Mentioned

BETA
GTPase
dissection

Software Mentioned

iScan
CyVerse
JMP
Haploview
GenSel
fastPHASE
SimpleM

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