For citations:
Nurzhanov B.S., Rakhmatullin Sh.G., Duskaev G.K., Levakhin G.I. Changes in the concentration of chemical elements in the body tissues of broilers when fed with the probiotic Bacillus cereus and coumarin. Agrarian science. 2022;(10):53-56. (In Russ.) https://doi.org/10.32634/0869-8155-2022-363-10-53-56