Sequential tests for infectious hematopoietic necrosis virus in individuals and populations of sockeye salmon
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Abstract
The incidence and titer distribution of infectious hematopoietic necrosis virus in cavity fluid from spent female sockeye salmon (Oncorhynchus nerka) varied little when fish from a naturally spawning population were sampled three times on alternate days. However, when prespawning female sockeye salmon from a second population were individually tagged, penned, and sampled daily, the incidence and proportion of fish with high virus titer rose over a 6-d period. In 10 instances, consecutive cavity fluid samples from the same fish reverted from virus-positive to virus-negative. We suggest that spent fish should be sampled when accurate and quantitative data on the incidence and level of the virus are required.
Suggested Citation
Mulcahy, D.M., and Pascho, R., 1986, Sequential tests for infectious hematopoietic necrosis virus in individuals and populations of sockeye salmon: Canadian Journal of Fisheries and Aquatic Sciences, v. 43, no. 12, p. 2515-2519, https://doi.org/10.1139/f86-310.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Sequential tests for infectious hematopoietic necrosis virus in individuals and populations of sockeye salmon |
| Series title | Canadian Journal of Fisheries and Aquatic Sciences |
| DOI | 10.1139/f86-310 |
| Volume | 43 |
| Issue | 12 |
| Year Published | 1986 |
| Language | English |
| Publisher | NRC Research Press |
| Contributing office(s) | Alaska Science Center, Alaska Science Center Biology MFEB, Western Fisheries Research Center |
| Description | 5 p. |
| First page | 2515 |
| Last page | 2519 |