Fish Pathology
Online ISSN : 1881-7335
Print ISSN : 0388-788X
ISSN-L : 0388-788X
Erythrocytic Inclusion Body Syndrome : Resistance to Reinfection
Nobuaki OkamotoKiyotaka TakahashiAkira KumagaiMasashi MaitaJohn S. RohovecYayoi Ikeda
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1992 Volume 27 Issue 4 Pages 213-216

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Abstract

Acquired resistance to erythrocytic inclusion body syndrome (EIBS) was investigated in coho salmon (Oncorhynchus kisutch).
Fish which were experimentally infected with EIBS and maintained at 15°C for 242 days were challenged by EIBS virus and kept at 8°C. The fish survived the challenge, though they showed a slight decrease in Ht values which recovered presently. This result indicates that acquired resistance to EISB continues at least as 242 days. Follow-up examination of coho salmon which survived EIBS in freshwater farm ponds revealed that they maintained acquired resistance after being transferred to marine farms.

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© The Japanese Society of Fish Pathology
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