00676naa#a2200205#i#450# EN\\bibl\131802 20260804041414.2 2222-0364 20260625b2026####ek#y0engy0150####ca RUS RU Influence of seasonal factors on the microbiological contamination of milking equipment under tie-up and free-stall housing systems Journal article Omsk FSBEI HE Omsk SAU 2026 7 с. Journal article local Машинное доение. Системы доения. 637.115 RUS Il D E Zabolotnykh M V Il E N vestnik.omgau.ru