TY JOUR TI Effect of Lactation Age on Daily Milk Yield and Somatic Cell Count KW milk KW fat KW protein KW somatic cells KW cow KW milk productivity KW Kholmogory cow breed JO Dairy industry AU Khudyakova, N.A. AU Kogevnikova, I.S. AU Klassen, I.A. AU Kondakova, A.A. PY 2023 IS 0 PB Kemerovo State University