00747naa#a2200217#i#450# EN\\bibl\94130 20260219164942.4 1819-4036 20221227b2022####ek#y0engy0150####ca RU THE IMPORTANCE OF PCR IN THE INFECTIOUS AGENTS DETECTION IN CATTLE Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2022 6 с. Journal article local Сравнительная патология. Ветеринария. 619 Bezborodova Natalia Aleksandrovna Kozhuhovskaya Veronika Valentinovna Poryvaeva A P Shilova E. N. Pechura Elena Vladimirovna vestnik.kgau.ru