Khmelnychyi, L.M. and Ovcharenko, O.O. 2023. VARIABILITY OF LONGEVITY TRAITS OF UKRAINIAN RED-AND-WHITE DAIRY COWS DEPENDING ON THE INFLUENCE OF HEREDITY OF GENEALOGICAL FORMATIONS. Bulletin of Sumy National Agrarian University. The series: Livestock. 3 (Oct. 2023), 78-84. DOI:https://doi.org/10.32782/bsnau.lvst.2023.3.11.