Yulia A. Kozak
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation

CSc (Vet), Associate Professor at the Department of Microbiology and Immunology

Sergey S. Kozak
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy All-Russian Research Institute of Poultry Processing Industry – branch of All-Russian Research and Technological Poultry Institute "ARRTPI"
Russian Federation

DSc (Bio), Professor at the Department of Morphology, Veterinary and Sanitary Examination

Chief Research Associate, Head of the Testing Laboratory Centre

Olga G. Volobueva
Russian State Agrarian University – Moscow Timiryazev Agricultural Academy
Russian Federation

DSc (Ag), Associate Professor, Acting Head of the Department of Microbiology and Immunology