TY JOUR TI PATHOGENS SPECIES COMPOSITION AND PRODUCTION LOSSES ASSESSMENT IN SUB-CLINICAL COW MASTITIS IN THE KOSTANAY REGION FARMS (KAZAKHSTAN) KW subclinical mastitis KW bacteriological examination KW somatic cells KW milk quality KW production losses. JO Bulletin of KSAU AU Chuzhebaeva, G.D. AU Nametov, A.M. AU Beyshova, I.S. AU Nurgaliev, B.E. AU Ul'yanova, T.V. AU Alieva, G.K. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University