KRUGLIAK, O. V.; KRUGLIAK, T. O.; KRUGLIAK, A. P. REGULARITY OF THE FARMING USEFUL TRAITS IN ANIMALS OF THE UKRAINIAN BLACK-AND-WHITE DAIRY BREED BY ABSORPTIVE CROSSING. Bulletin of Sumy National Agrarian University. The series: Livestock, n. 2, p. 68-75, 23 Jul. 2024.