[Biological activity of tubercule bacilli in an epizootic infectious process].
The studies showed that during epizootic infectious processes of tuberculosis in cattle and due to multiple subcultivation and long-term storage on artificial nutrient media tubercle bacilli changed their properties and biological activity which was evident first of all from their lower virulence and sensitizing capacity.
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D000818:Animals; D002417:Cattle; D002418:Cattle Diseases / Q000382:microbiology*; D004196:Disease Outbreaks / Q000662:veterinary*; D009163:Mycobacterium bovis / Q000472:pathogenicity*; D014380:Tuberculosis, Bovine / Q000382:microbiology*
Biologicheskaia aktivnost' mikobakteriĭ tuberkuleza v épizooticheskom infektsionnom protsesse.