Infectious hematopoietic necrosis virus detected by separation and incubation of cells from salmonid cavity fluid.
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Abstract
Infectious hematopoietic necrosis (IHN) virus is usually detected by inoculating susceptible cell cultures with cavity ("ovarian") fluid (CF) from spawning females. We identified additional adult carriers of virus in spawning populations of steelhead trout (Salmo gairdneri) and sockeye salmon (Oncorhynchus nerka) by collecting nonerythrocytic cells from CF samples by low-speed centrifugation, culturing the cells for at least 7 d at 15 °C, and then testing the culture medium for virus. Virus appeared in the cultured cells from some samples of CF that remained negative during incubation. In additional samples of CF from these species, the virus titer increased in cultured cells compared with the titer in the original CF sample. With chinook salmon (O.tshawytscha), no negative samples converted to positive during incubation, but the virus titer was retained in incubated CF cells, but not in cell-free CF.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Infectious hematopoietic necrosis virus detected by separation and incubation of cells from salmonid cavity fluid. |
| Series title | Canadian Journal of Fisheries and Aquatic Sciences |
| DOI | 10.1139/f87-126 |
| Volume | 44 |
| Issue | 5 |
| Year Published | 1987 |
| Language | English |
| Publisher | NRC Research Press |
| Contributing office(s) | Alaska Science Center, Western Fisheries Research Center |
| Description | 5 p. |
| First page | 1071 |
| Last page | 1075 |
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