Kompanets, I. O. 2023. “VARIABILITY OF LONGEVITY INDICATORS OF UKRAINIAN BLACK-AND-WHITE DAIRY COWS DEPENDING ON SELECTION METHODS”. Bulletin of Sumy National Agrarian University. The Series: Livestock, no. 4 (December), 10-17. https://doi.org/10.32782/bsnau.lvst.2023.4.2.