V.M. Popova - Dr.Sc. (Biol.), Leading Research Scientist, VNITIBP. E-mail: burevestnik46mail.ru; biolog 1967@mail.ru A.Ya. Samujlenko - Academician, Dr.Sc. (Veter.), Professor, Director, VNITIBP I.N. Matveeva - Dr.Sc. (Biol.), Professor, Head of the Department, VNITIBP. E-mail: biolog1967@mail.ru S.A. Dyachenko - Post-graduate Student, VNITIBP A.S. Preobrazhenskaya - Post-graduate Student, VNITIBP