Comparison of protection in rainbow trout (Salmo gairdneri) inoculated with and fed Hagerman redmouth bacterins
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Abstract
Rainbow trout (Salmo gairdneri) fed 1.0 mg Hagerman redmouth bacterin per fish for 2 wk had no detectable specific, circulating, agglutinating antibody. In fish given a single subcutaneous inoculation of 1.0 mg of bacterin per fish, antibody was present from 3 wk later until 3 mo later, when the final sample was taken. Median lethal doses at various intervals after the bacterins were administered indicated that the inoculated fish could withstand a greater challenge by subcutaneous inoculation of the virulent bacteria than the orally immunized fish. The fish fed the vaccine lost their protection within 6 wk, whereas the inoculated fish had high levels of protection through 3 mo. The degree of protection was also confirmed by a "natural" exposure challenge.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Comparison of protection in rainbow trout (Salmo gairdneri) inoculated with and fed Hagerman redmouth bacterins |
| Series title | Journal of the Fisheries Research Board of Canada |
| Volume | 31 |
| Issue | 2 |
| Year Published | 1974 |
| Language | English |
| Publisher | NRC Research Press |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 3 p. |
| First page | 214 |
| Last page | 216 |
| Google Analytic Metrics | Metrics page |