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1 October 1992 MASS MORTALITY IN CULTURED COHO SALMON (ONCORHYNCHUS KISUTCH) DUE TO SAPROLEGNIA PARASITICA COKER
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Abstract

Epizootics of saprolegniasis occurred in 20 to 60 g freshwater-cultured coho salmon (Oncorhynchus kisutch) in Miyagi Prefecture, Japan. Cotton-like mycelia occurred on the body surface of infected fish, especially around the head, the adipose fin and the caudal fin, and aseptate hyphae occurred in the lesions. The hyphae also penetrated into the muscle and blood vessels. The isolated fungus was identified by asexual morphological characteristics as Saprolegnia parasitica (syn. S. diclina Type 1), a known salmonid fish pathogen.

Hatai and Hoshiai: MASS MORTALITY IN CULTURED COHO SALMON (ONCORHYNCHUS KISUTCH) DUE TO SAPROLEGNIA PARASITICA COKER
K. Hatai and G. Hoshiai "MASS MORTALITY IN CULTURED COHO SALMON (ONCORHYNCHUS KISUTCH) DUE TO SAPROLEGNIA PARASITICA COKER," Journal of Wildlife Diseases 28(4), 532-536, (1 October 1992). https://doi.org/10.7589/0090-3558-28.4.532
Received: 26 August 1991; Published: 1 October 1992
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