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.: Home > Animal Science Papers and Reports > 2003 > Volume 21 Number 3 > Mariusz Pierzcha³a, Tadeusz Blicharski, Jolanta Kury³

Growth rate and carcass quality in pigs as related to genotype at loci POU1F1/RsaI (Pit1/RsaI) and GHRH/AluI

Mariusz Pierzcha³a, Tadeusz Blicharski, Jolanta Kury³
Polish Academy of Sciences Institute of Genetics and Animal Breeding, Jastrzêbiec, 05-552 Wَlka Kosowska, Poland
Abstract :

The aim of the study was to determine the effect of pituitary transcription factor 1 (POU1F1, Pit1) and the polymorphism of growth hormone releasing hormone (GHRH) genes on selected pig performance traits. The animals used were the progeny of Polish Landrace × Polish Large White crossbred sows and Polish Landrace, Polish Large White, Duroc or Pietrain boars. Eighteen perfor-mance traits were recorded. The POU1F1 genotype was found to have a significant effect on mean daily live weight gain (g), ham-covering fat (kg), fat thickness over loin (cm), meat content of carcass (%) and meat content of ham (%), while the GHRH/AluI genotype was significantly associated with fat thickness over shoulder (cm) and meat content of carcass (%). The results presented show that the region of chromosome 13, covering the POU1F1-encoding gene, may contain quantitative traits loci (QTLs) for growth rate and carcass traits. The study supplied new information on the relation between the polymorphism of GHRH-encoding gene and pig performance.

Keywords :
carcass / gene polymorphism / POU1F1 / GHRH / pig

Date Deposited : 12 Aug 2011 10:19

Last Modified : 12 Aug 2011 10:19

Official URL: http://www.ighz.edu.pl/

Volume 21, Number 3, - 2003

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