The effect of cystatin B gene (CSTB ) on productive traits in pigs
Journal Title: Animal Science Papers and Reports - Year 2013, Vol 31, Issue 4
Abstract
Cystatin B gene is a candidate gene for carcass and meat quality traits of pigs and belongs to the family 1 of cysteine proteinase inhibitors. The enzyme is a cathepsin inhibitor and the proteolytic cystatin/cathepsin system plays an important role in the growth and development of muscles. Investigations presented here covered 707 pigs from different genetic groups reared in Poland. The aim of this study was to characterise the polymorphism of the CSTB gene identified with restriction endonuclease: Taq I and Pvu II, and to analyse the relation between the CSTB genotypes and carcass traits. All tested animals proved to be monomorphic at the CSTB/Taq I locus . All three possible genotypes were observed with regard to the second CSTB/Pvu II locus . In Polish Large White and Polish Landrace pigs the highest frequency was reported for BB homozygotes. The association between CSTB and carcass traits was found only in Polish Landrace pigs for the meat content of carcass, meat content of valuable cuts and weight of the loin.
Authors and Affiliations
Paweł Urbański, Mariusz Pierzchała, Arkadiusz Terman, Marian Kamyczek, Wojciech Kapelański, Maria Bocian, Magdalena Kawka, Rafał Parada, Agnieszka Roszczyk, Jolanta Kuryl
Keywords
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