The use of biologically active substances in poultry feeding (review)

• N. M. Kazachkova,
• K. Sh. Kartekenov,
• G. K. Duskaev

Affiliations

N. M. Kazachkova

Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

K. Sh. Kartekenov

Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia

G. K. Duskaev

Federal Scientific Center of Biological Systems and Agrotechnologies of the Russian Academy of Sciences, Orenburg, Russia