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1 October 1981 A BACTERIAL DISEASE OF PERCH (Perca fluviatilis L.) IN AN ALPINE LAKE: ISOLATION AND PRELIMINARY STUDY OF THE CAUSATIVE ORGANISM
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Abstract

An epizootic among perch (Perca fluviatilis L.) occurred during the summer and fall of 1979 in an alpine lake (Lake Annecy, Haute-Savoie) in France. Hemorrhagic and ulcerative clinical signs were associated with the height of the mortality. A Gram-negative, non-motile, slow-growing bacterium was isolated from skin lesions in diseased fish. Aeromonas hydrophila often was present. Since the non-motile bacterium was suspected to be the etiological agent, its characteristics and pathogenicity were determined. The bacterium was pathogenic to perch, possibly pathogenic to rainbow trout, and non-pathogenic to carp. It could be reisolated from infected fish, but its physiologic and biochemical properties have not been assessed to determine the taxonomic position.

MICHEL: A BACTERIAL DISEASE OF PERCH (Perca fluviatilis L.) IN AN ALPINE LAKE: ISOLATION AND PRELIMINARY STUDY OF THE CAUSATIVE ORGANISM
C. MICHEL "A BACTERIAL DISEASE OF PERCH (Perca fluviatilis L.) IN AN ALPINE LAKE: ISOLATION AND PRELIMINARY STUDY OF THE CAUSATIVE ORGANISM," Journal of Wildlife Diseases 17(4), 505-510, (1 October 1981). https://doi.org/10.7589/0090-3558-17.4.505
Received: 16 December 1980; Published: 1 October 1981
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