CONTAMINATION OF WILD BIRDS BY PATHOGEN OF VIRUS DISEASES IN FOREST-STEPPE AREA OF THE ALTAI REGION
Examination of 21 species of birds of settled, migrant and visitant groups from 11 districts of forest-steppe area of the Altai Region revealed specific antibodies to flu virus in 34.2% of samples, to Newcastle disease - 60%, to infectious laryngotracheitis and infectious bursal disease in 62% and 38.7% correspondingly.