Pavlenko, Yu. M., and I. O. Kompanets. 2024. “THE EFFECTIVENESS OF COWS’ LONGEVITY DEPENDING ON THE HEREDITY OF IMPROVING BREED”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 3 (October), 69-75. https://doi.org/10.32782/bsnau.lvst.2024.3.8.