Kompanets, I.O. 2024. LONGEVITY OF DAIRY COWS DEPENDING ON THE MILK YIELD OF THE FIRST LACTATION. Bulletin of Sumy National Agrarian University. The series: Livestock. 2 (Jul. 2024), 56-59. DOI:https://doi.org/10.32782/bsnau.lvst.2024.2.8.