Morphology of certain viruses of Salmonid fishes. II. In vivo studies of infectious Hematopoietic Necrosis Virus

Journal of the Fisheries Research Board of Canada
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Abstract

Juvenile sockeye salmon (Oncorhynchus nerka) were injected with the infectious hematopoietic necrosis (IHN) virus, and tissue samples from the anterior kidney, spleen, liver, intestine, and pyloric caeca of moribund fish were prepared for electron microscopy. Bullet-shaped virus particles measuring 158 × 90 mμ were observed in the hematopoietic tissues of the anterior kidney and spleen. Virus particles were also observed in the outer connective tissues of the pancreas or pyloric caeca, or both. No virus was found in the intestine or liver. The healthy appearance of erythrocytes, reticular cells, and endothelial cells in necrotic areas of the spleen and anterior kidney, and the absence of lymphocytes in these areas, suggested that lymphocytes might be one source of the virus.

Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Morphology of certain viruses of Salmonid fishes. II. In vivo studies of infectious Hematopoietic Necrosis Virus
Series title Journal of the Fisheries Research Board of Canada
DOI 10.1139/f70-163
Volume 27
Issue 8
Year Published 1970
Language English
Publisher NRC Research Press
Contributing office(s) Western Fisheries Research Center
Description 4 p.
First page 1385
Last page 1388
Online Only (Y/N) N
Additional Online Files (Y/N) N