TY JOUR TI IMPACT OF HABITAT QUALITY ON THE MICROBIAL AND IMMUNE STATUS OF CAPTIVE MARINE MAMMALS KW pinnipeds KW conditions of maintenance KW parameters of the habitat KW water KW ammonium nitrogen KW nitrates KW total coliform bacteria JO Bulletin of KSAU AU Serbaev, Y.S. AU Gorkovenko, N.E. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University