Sklyar, O.I. and Hrek, V.A. 2024. APPLICATION OF PROBIOTIC SUPPLEMENT FOR KETOSIS IN COWS. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine. 1(64) (Jun. 2024), 72-76. DOI:https://doi.org/10.32782/bsnau.vet.2024.1.11.