Realization of the genetic potential and biological features of Holstein Black-and-White cows of Hungarian selection under the conditions of Stavropol KraiSulyga, Natalya Vladimirovna, 2010, Candidate of Sciences dissertation06.02.07 Breeding, selection and genetics of farm animalsStavropol Research Institute of Animal Husbandry and Fodder Production, Stavropol137 pp.