DEPENDENCIES BETWEEN PRL GENE POLYMORPHISM AND PRODUCTION PROGRESS IN POLISH HOLSTEIN-FRIESIAN BLACK-AND-WHITE COWS Journal title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica Authors: Jarosław PYTLEWSKI, Ireneusz R. ANTKOWIAK, Daniel STANISŁAWSKI, Ewa CZERNIAWSKA-PIĄTKOWSKA Subject(s):
