Ljudmila Vasil'evna Reznichenko
Doctor of Biological Sciences, Professor of the Infectious and Parasitic Pathology Department. V.Y. Gorin Belgorod State Agrarian University, 1, Vavilova St., Mayskiy Settl., Belgorod, 308503, Russia
As is known, poultry is very sensitive to the lack of vitamins in the case of stress or diseases, reducing ...