Bissenova Г. , Zakarya К. , Sarmurzina З. , Urazova М. , Shahabayeva Г. and Rysbek А. 2026. The use of probiotics for infectious agents of fish. BULLETIN of the L.N. Gumilyov Eurasian National University. BIOSCIENCE Series. 123, 2 (Jun. 2026), 24–33.