Growth rate and carcass quality in pigs as related to genotype at loci POU1F1-RsaI [Pit-RsaI] and GHRH-AluI

• Autorzy: Pierzchala M , Blicharski T. , Kuryl J.
• Języki publikacji: EN

Abstrakty

EN

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 (%), 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.

PL

Przedmiotem badań było określenie zależności między polimorfizmem genów POU1F1 (przysadkowego czynnika transkrypcyjnego) i GHRH (somatoliberyny) a cechami użytkowymi świń. Materiałem były zwierzęta pochodzące z krzyżowania knurów czystych ras (pbz, wbp, Duroc, Pietrain) z lochami mieszańcowymi (wbp × pbz). Analizą objęto 18 cech tempa wzrostu i jakości tuszy 322 zwierząt. Istotne różnice między analizowanymi genotypami POUF1/RsaI w odniesieniu do badanych cech uzyskano dla procentu mięsa w tuszy, procentu mięsa w szynce, masy słoniny okrywającej szynkę ze skórą, grubości słoniny nad okiem polędwicy oraz średniego dziennego przyrostu.

Słowa kluczowe

EN

animal breeding; crossbreeding; pig; boar; sow; animal growth; growth rate; carcass quality; carcass trait; gene polymorphism; Polish Landrace breed; Polish Large White breed; Duroc breed; Pietrain breed; genotype; growth hormone; performance trait; restriction polymorphism

• Wydawca: -
• Czasopismo: Animal Science Papers and Reports
• Rocznik: 2003
• Tom: 21
• Numer: 3
• Opis fizyczny: p.159-166

Twórcy

autor

Pierzchala M

• Polish Academy of Sciences, Jastrzebiec, 05-552 Wolka Kosowska, Poland

autor

Blicharski T.

autor

Kuryl J.

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