%0 Journal Article %T THE ENVIRONMENTAL ECOLOGICAL FACTORS INFLUENCE ON THE CORTICOSTEROID ACTIVITY OF AMERICAN MINKS (MUSTELA VIZON SCHR.) AND SILVER-BLACK FOXES (VULPES VULPES L.) %A Berdnikov, P.P. %A Sanzhiyeva, S.E. %K American mink, silver-black fox, corticosteroids, stress, blood serum, ecological factor %J Bulletin of KSAU %D 2012 %N %P 3 %I Krasnoyarsk State Agrarian University