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Susceptibility of European catfish ( Silurus gianis ) to Edwardsiella ictaluri
Author(s) -
Plumb J. A.,
Hilge V.
Publication year - 1987
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/j.1439-0426.1987.tb00450.x
Subject(s) - edwardsiella ictaluri , catfish , ictalurus , biology , fish <actinopterygii> , microbiology and biotechnology , veterinary medicine , fishery , medicine
Summary European catfish ( Silurus glanis ) were tested for their susceptibility to the bacterium Edwardsiella ictaluri. The LD 50 of E. ictaluri when injected into European catfish was 5.4 × 10 6 compared to 7.1 times; 10 4 for channel catfish ( Ictalurus punctatus ). E. ictaluri was isolated from dead and moribund European catfish and the bacterium was also detected in kidney smears by an indirect fluorescent antibody (FA) technique. The bacterium was not isolated or detected by FA from surviving fish 15 days after injection. No clinical signs of E. ictaluri infection were noted in European catfish, but these were prevalent in the channel catfish. These experiments indicate that under experimental conditions European catfish are not as susceptible to E. ictaluri as channel catfish.