ABSTRACT.
Probiotics are one of the additives used in fish feeding, as they have a wide range of effects on the
body. In addition, they have proven themselves as substances that do not cause antibiotic resistance. The article describes the effect of probiotic drugs Atysh, Subtilis and Atysh+Subtilis on the content of essential and conditionally essential elements in the muscle tissue of carp fingerlings. It was revealed that the additives contributed to a decrease in
the concentration of elements and contributed to the growth of experimental fish.
KEYWORDS: aquaculture, carp, probiotics, Subtilis, Atysh.