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Abstract
Juvenile coho salmon and steelhead trout ofdifferentstocks and three transferrin genotypes(AA, AC, and CCl, all reared in identical or similar environments, were experimentally infected with Corynebacterium sp., the causative agent ofbacterial kidney disease, or with Vibrio anguillarum, the causative agent of vibriosis. Mortality due to the pathogens was compared among stocks within a species and among transferrin genotypes within a stock to determine whetherthere was a geneticbasis for resistance to disease. Differences in resistance to bacterial kidney disease among coho salmon stocks had a genetic basis. Stock susceptibility to vibriosis was strongly influenced by environmental factors. Coho salmon orsteelhead trout of one stock may be resistant to one disease but susceptible to another. The importance of transferrin genotype of coho salmon in resistance to bacterial kidney disease was stock specific; in stocks that showed differential resistance of genotypes, the AA was the most susceptible. No differencesin resistance to vibriosis were observed among transferrin genotypes.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Resistance of different stocks and transferrin genotypes of coho salmon, Oncorhynchus kisutch, and steelhead trout, Salmo gairdneri, to bacterial kidney disease and vibriosis |
| Series title | Fishery Bulletin |
| Volume | 77 |
| Issue | 4 |
| Year Published | 1979 |
| Language | English |
| Publisher | National Oceanic and Atmospheric Adminstration |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 8 p. |
| First page | 795 |
| Last page | 802 |
| Google Analytic Metrics | Metrics page |