00642naa#a2200193#i#450# EN\\bibl\94210 20260219150652.4 1819-4036 20250129b2025####ek#y0engy0150####ca RU SEASONAL CORTISOL LEVELS AND VARIABILITY IN ROMANOV SHEEP IN WESTERN SIBERIA Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2025 6 с. Journal article local Трийодтиронин. 577.175.443 Tarasenko Ekaterina Igorevna Sebezhko Ol'ga Igorevna Morozov Igor' Nikolaevich vestnik.kgau.ru