00692naa#a2200193#i#450# EN\\bibl\98865 20260220173242.5 1819-4036 20250821b2025####ek#y0engy0150####ca RU VIRULENCE OF STRAINS/ISOLATES OF PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME VIRUS TYPE 1 Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2025 15 с. Journal article local Сравнительная патология. Ветеринария. 619 Vlasov Mihail Evgen'evich Lunicyn Andrey Vladimirovich Pronin Valeriy Vasil'evich sej.kgau.ru