Detection of Aeromonas salmonicida the mucus of salmonid fishes
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Abstract
Mucus of salmonids was evaluated as a source for nonlethal detection of the pathogen Aeromonas salmonicida in fish. The bacterium was readily isolated from mucus on dilution plates when Coomassie Brilliant Blue agar was the primary plating medium. Kidney samples from the fish that served as sources of mucus were similarly processed. Infection was detected in 56% of mucus samples from lake trout Salvelinus namaycush that were undergoing an epizootic of furunculosis, but only 6% of the kidneys from these fish were positive for the pathogen. Only 1% of asymptomatic brown trout Salmo trutta sampled at another fish hatchery had A. salmonicida in their mucus, and none had a kidney infection. Combined results from the examination of two pools of Atlantic salmon Salmo salar reared at a third hatchery indicated that 37% of these fish had mucus infections caused by A. salmonicida, but only 4% of the kidneys were infected.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Detection of Aeromonas salmonicida the mucus of salmonid fishes |
| Series title | Journal of Aquatic Animal Health |
| DOI | 10.1577/1548-8667(1992)004<0114:DOASIT>2.3.CO;2 |
| Volume | 4 |
| Issue | 2 |
| Year Published | 1992 |
| Language | English |
| Publisher | Wiley |
| Contributing office(s) | Leetown Science Center |
| Description | 5 p. |
| First page | 114 |
| Last page | 118 |
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