JOURNAL OF
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Journal of Applied Genetics 44(2), 2003, pp. 191-195

Prion octapeptide-repeat polymorphism in Polish Black-and-White cattle

Krzysztof WALAWSKI, Urszula CZARNIK


Abstract: The study was carried out in a Polish Black-and-White cattle population, represented by 167 AI sires, 200 young tested bulls, 190 bull-dams, and 606 randomly chosen cows from commercial herds. The fragment of the bovine prion protein gene (PRNP) coding the octapeptide-repeat sequence, was identified by PCR analysis. Two different gene variants of 349 bp and 373 bp in size, produced three genotypes: PR

Key words: Black-and-White cattle, octapeptide-repeat polymorphism, prion protein.

Correspondence: K. WALAWSKI, Department of Animal Genetics, University of Warmia and Mazury in Olsztyn, ul. M.Oczapowskiego 5, 10-957 Olsztyn, Poland.

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