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    VIRULENCE OF INFECTIOUS CORYZA CAUSATIVE AGENT ISOLATES by V. A. Evgrafova, A. V. Potekhin

    Published 2018-04-01
    “…One isolate was recovered from poultry in the Republic of Belarus. The criteria for virulence determination of Avibacterium paragallinarum were assessed according to a point system based on severity of inflammatory processes in upper respiratory airways of experimentally infected chicken. …”
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