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Pathological changes in the auditory organs of the harbor porpoise [Phocoena phocoena L.] associated with Stenurus minor [Kuhn, 1829]

100%

Kijewska A., Jankowski Z., Kuklik I., Rokicki J.

Acta Parasitologica

2003

tom 48

nr 1

The problem of echo disruption has been frequently noted by authors who have studied parasites of harbor porpoise. Six harbor porpoises were examined macroscopically and microscopically for the occurrence of Stenums minor. The present investigation confirmed earlier observations that this nematode may probably cause auditory malfunction, as there were changes to the auditory nerves of the cochlea and middle ear in consequence of chronic or acute inflammation with parasitic infection in animals. Moreover, it can be stated that damage caused by S. minor produced severe stress and pain, which, very likely, affected the animal behavior.

Nematode parasites in Baltic Sea mammals, grey seal (Halichoerus grypus (Fabricius, 1791)) and harbour porpoise (Phocoena phocoena (L.)), from the German coast

80%

Gabel M., Theisen S., Palm H. W., Dahne M., Unger P.

Acta Parasitologica

2021

tom 66

nr 1

Helminths of the harbour porpoise, Phocoena phocoena [L.], in the southern Baltic

70%

Rokicki J., Berland B., Wroblewski J.

Acta Parasitologica

1997

tom 42

nr 1

Seventeen young harbour porpoises, Phocoena phocoena (L.), stranded or caught in fish nets in the southern Baltic the period 1989-1995, were searched for parasites. Four nematode species, Halocercus invaginatus (Quekett, 1841), Pseudalius inflexus (Rudolphi, 1808), Torynurus convolutus (Kühn, 1829) and Stenurus minor (Kühn, 1829), were found in their respiratory and vascular organs, and one trematode Campula oblonga (Cobbold, 1858) was recorded in the bile ducts of a single porpoise. Infection data are given. No nematodes were found in the digestive tract. Although Anisakis larvae occur sparsely in fish in the southern Baltic, the absence of Anisakis simplex in the porpoises studied is noteworthy.

Ograniczanie wyników

3 Acta Parasitologica

2 Rokicki J.

1 Berland B.

1 Dahne M.

1 Gabel M.

1 Jankowski Z.

1 Kijewska A.

1 Kuklik I.

1 Palm H. W.

1 Theisen S.

1 Unger P.

1 Wroblewski J.

1 2021

1 2003

1 1997

Wyniki wyszukiwania

Pathological changes in the auditory organs of the harbor porpoise [Phocoena phocoena L.] associated with Stenurus minor [Kuhn, 1829]

Nematode parasites in Baltic Sea mammals, grey seal (Halichoerus grypus (Fabricius, 1791)) and harbour porpoise (Phocoena phocoena (L.)), from the German coast

Helminths of the harbour porpoise, Phocoena phocoena [L.], in the southern Baltic