Histopathology of Yearling Sockeye Salmon (Oncorhynchus nerka) Infected with Infectious Hematopoietic Necrosis (IHN)

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Other Title
  • 伝染性造血器壊死症(IHN)に感染したべニマス (Oncorhynchus nerka)一才魚の病理組織
  • デンセンセイ ゾウケツキ エシショウ IHN ニ カンセンシタ ベニマス On

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Description

Infectious hematopoietic necrosis (IHN) is generally believed to be a virus disease of very young salmonids. In recent years there have been increasing numbers of unpublished reports that this disease has been occurring uncharacteristically in fish as old as 7-14 months. Sockeye salmon (Oncorhynchus nerka) of this age the histological changes were not severe. Intestinal tract granular cells thought to be pathognomic in young fish were conspicuously absent. Kidney imprints showed necrobiotic bodies however, and subtle changes were observed in the spleen and kidney hematopoietic tissue.

Journal

  • Fish Pathology

    Fish Pathology 14 (2), 59-64, 1979

    The Japanese Society of Fish Pathology

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