In October 2021, in the laboratory of epizootology and monitoring of the Federal State Budgetary Institution “ARRIAH” subordinate to the
ROSSELKHOZNADZOR, 1028 serological examinations were carried out to detect specific antibodies to pathogens of 7 actual infectious diseases of chickens (infectious bursal disease, infectious bronchitis, infectious encephalomyelitis, respiratory mycoplasmosis, inf...