Chechet, O. M. “MEASURES FOR PREVENTION OF INFECTIOUS DISEASES AND INCREASING PRODUCTIVITY IN POULTRY”. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, no. 3 (54) (November 29, 2021): 60-69. Accessed May 6, 2024. https://www.snaubulletin.com.ua/index.php/vm/article/view/505.