Associations of GH gene variants with performance traits in F2 generations of European wild boar, Piétrain and Meishan pigs

Animal Genetics
C KnorrH Geldermann

Abstract

The role of the porcine GH gene was investigated in 292 F2 animals of mating Wild Boar x Piétrain and in 310 F2 animals of mating Meishan x Piétrain. Forty-three traits of fattening, carcass composition, meat quality and stress resistance were recorded. For the analysis of associations between GH gene variants and quantitative traits, two restriction fragment length polymorphisms were examined. In the Meishan x Piétrain family eight traits related to fatness were significantly associated with GH genotypes, while in the Wild Boar x Piétrain family no significant associations were found. In the Meishan x Piétrain cross, the GH locus explained 11.7% to 17.7% of the total phenotypic variance in the F2 population. The possibility of multiple alleles at the GH locus is discussed. Based on these results, we conclude that the GH locus should be further investigated in commercial breeds to determine its suitability for use in marker-assisted selection programmes.

Citations

Apr 14, 2009·General and Comparative Endocrinology·Dianchang ZhangXinping Xu
Mar 19, 2013·Meat Science·James Sales, Radim Kotrba
Jul 17, 2014·International Journal of Molecular Sciences·Xiaoyan WangYani Zhang
Jan 27, 2004·Homo : internationale Zeitschrift für die vergleichende Forschung am Menschen·R RoeheP W Knap

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