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    FTO and PLIN2 Genes Polymorphism in Relation to Growth Traits of Pigs
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2019) Polasik, Daniel; Kamionka, Eva Maria; Tyra, Mirosław; Zagrobelny, Dagmara; Żak, Grzegorz; Terman, Arkadiusz; Department of Genetics and Animal Breeding, West Pomeranian University of Technology, Szczecin, Poland; Department of General, Visceral and Transplantation Surgery, University Hospital Heidelberg, Heidelberg, Germany; Department of Animal Genetics and Breeding, National Research Institute of Animal Production, Balice, Poland; Department of Genetics and Animal Breeding, West Pomeranian University of Technology, Szczecin, Poland; Department of Animal Genetics and Breeding, National Research Institute of Animal Production, Balice, Poland; Department of Genetics and Animal Breeding, West Pomeranian University of Technology, Szczecin, Poland
    FTO and PLIN2 genes are considered as a markers for fat-related traits in pigs. However, high expression of these genes in muscle tissues and earlier studies suggest, that they can be also associated with growth. Therefore the aim of this study was to analyze polymorphism in FTO (g.400C > G) and PLIN2 (g.98G > A) genes in relation to growth traits in pigs. The study were conducted on 578 sows including following breeds: Duroc, Hampshire, Polish Landrace, Pietrain, Puławska and Polish Large White. FTO and PLIN2 genes polymorphism was determined by use PCR-RFLP and ACRS-PCR methods respectively. Association analysis was performed for Polish Landrace, Puławska and Polish Large White separately and for joined group of 6 breeds. The results show that FTO genotypes were related only to test daily gain in Polish Large White pigs (p < 0.05). PLIN2 gene variants, however were associated with test daily gain in Polish Landrace, Puławska (p < 0.01) and joined group (p < 0.05), average daily gain in Puławska (p < 0.01), feed:gain ratio in joined group (p < 0.05) and age at slaughter and number of days on test in Puławska (p < 0.01) and joined group (p < 0.01 and p < 0.05 respectively). Obtained results show that PLIN2 gene is more related to growth traits in pigs than FTO, but needs further analysis and explanation.