TY JOUR TI Comparative analysis of the use of udder treatment agents in the prevention of mastitis and improving the quality of milk in cows KW cow KW milk KW quality KW mammary gland KW mastitis KW number of mesophilic aerobic facultative anaerobic microorganisms KW number of somatic cells KW prevention of mastitis KW udder treatment products KW iodine KW chlorhexidine KW probiotic bacteria KW chlorhexidinedigluconate KW cow udder hygiene KW sanitization JO Agrarian Bulletin of the AU Larionov, G.A. AU Yatrusheva, E.S. AU Checheneshkina, O.Y. PY 2021 IS 210 PB Ural State Agrarian University