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A new influenza A virus infection in turkeys

V. Pathology of the experimental disease by strain turkey/Ontario 7732/66

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Summary

The report presents a survey of the lesions observed in turkeys and chickens infected experimentally with the avian influenza A virus strain turkey/Ontario 7732/66. In both species, multiple focal necrosis throughout the body was the pathological dominant. Exudative processes were apparent in the subcutis of the head area in chickens. Hemorrhagic lesions were minimal in both species.

The findings are compared to those made with three other avian influenza viruses of the same serological family, and with classical fowl plague. Distribution and degree of lesions in different organs may vary with the individual virus strains, but are not necessarily related to the serotype of the infecting agent. For this reason, pathological criteria cannot be used to distinguish between classical fowl plague and “fowl plaguelike” influenza A virus infections. Since neither serological, nor clinical, nor pathological criteria are adequate to define clearly classical fowl plague, this disease should be treated within the general context of “Avian Influenza”.

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Author notes

  1. O. Narayan

    Present address: Ontario Veterinary College, Guelph, Canada

Authors and Affiliations

  1. Ontario Veterinary College, Guelph, Canada

    G. Lang & B. T. Rouse

Authors
  1. O. Narayan
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  2. G. Lang
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  3. B. T. Rouse
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Narayan, O., Lang, G. & Rouse, B.T. A new influenza A virus infection in turkeys. Archiv f Virusforschung 26, 166–182 (1969). https://doi.org/10.1007/BF01241185

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  • DOI: https://doi.org/10.1007/BF01241185

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