TY JOUR TI THE HOLSTEINIZATIONINFLUENCE ON THE DAIRY PRODUCTIVITY QUANTITY AND QUALITY OF THE BLACK-MOTLEY BREED COWS KW black-and-white breed KW genetic proximity on Holsteins KW dairy productivity KW origin KW lactation KW the mass fraction of fat and protein in milk JO Bulletin of KSAU AU Shabunin, L.A. AU Kakhikalo, V.G. AU Nazarchenko, O.V. PY 2015 IS PB Krasnoyarsk State Agrarian University