Dermatophilus-like infection in beluga whales, Delphinapterus leucas, from the St. Lawrence estuary |
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| Authors: | Mikaelian I Lapointe J M Labelle P Higgins R Paradis M Martineau D |
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| Institution: | Canadian Cooperative Wildlife Health Centre and Centre québécois sur la santédes animaux sauvages, Universitéde Montréal, Saint-Hyacinthe, Québec, Canada, J2S 7C6.;Département de pathologie et de microbiologie, Universitéde Montréal, Saint-Hyacinthe, Québec, Canada, J2S 7C6.;Département de sciences cliniques, Facultéde médecine vétérinaire, Universitéde Montréal, Saint-Hyacinthe, Québec, Canada, J2S 7C6. |
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| Abstract: | Six beluga whales ( Delphinapterus leucas ) found dead on the shores of the St. Lawrence estuary had multiple slightly depressed greyish round areas randomly distributed over the whole body. Histologically, the surface of these areas was covered with a thick layer of Dermatophilus -like organisms which invaded the stratum corneum. The underlying stratum spinosum had marked spongiosis and vacuolar degeneration. Minimal neutrophilic infiltration was present within the underlying dermal papillae. To the authors' knowledge, dermatophilosis in cetaceans has not been reported previously. |
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| Keywords: | actinomycetes beluga whale marine mammal nematocyst |
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