RETROSPECTIVE ANALYSIS OF RESPIRATORY-ENTERIC VIRUSES, CIRCULATING AMONG THE CATTLE IN THE CENTRAL VOLGA REGION
Conducted cero-immunological monitoring of cattle complexes of several republics in dairy and areas of the Middle Volga region. High animal seropositivity to virus antigens to PG-3 (83.2%), herpesvirus type I (57.2%), BVD (49.6%), parvovirus (39.9%), reovirus (37.5%), adenovirus (53.2%).