10 out. PDF | This work describes the presence of Contracaecum sp. larvae (Nematoda: Anisakidae) found in food fish of economic importance. Contracaecum genus (Ascaridida: Anisakidae) is a nematode parasite of the fish- eating birds throughout the world. A heavy infection of Contracaecum sp. was. Birds are frequently mentioned as hosts of Contracaecum sp. One cormorant species, Phalacrocorax brasilianus (syn olivaceus) Gmelin, (TORRES, ;.

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Accepted for publication on August 3, Contracaecum pelagicum was described infecting penguins from the species S. Ascaroidea in a steller sea lion and a white pelican. Among the three animals infected by C. Several factors play a role in the weakening and high mortality rates of Cnotracaecum penguins during the northward migration. However, these findings are unspecific and thus impossible to be related to gastrointestinal parasitism. Zoo and Aquarium Assoc. Anisakidae have several species of fish as intermediate or paratenic hosts, and piscivorous birds and mammals as definitive hosts Anderson In the present study, six animals Magellanic penguin, Contracaecum plagiaticiumContracaecum pelagicumpathology.


However, these birds become debilitated and malnourished, and often have infectious or non-infectious diseases, which interfere in the rehabilitation process Serafini et al. Principles of disease prevention: Further study of Contracaecum pelagicum Nematoda: Iowa State University Press, Ames.

Gastrointestinal parasitosis is a common hygienic-sanitary problem in captive animals, being one of the most important disorders that contribute to the weakening of these birds Fonseca et al.

Spheniscidae na costa do Estado do Rio de Janeiro.

Contracaecum sp | Parasites World

In male worms, the elongated spicules were equal and the conical tail curved ventrally Fig. They have found no obvious evidence of damage by the helminthes in any of the alimentary tracts of the Megadyptes cintracaecum in New Zeland.

The average size of the lips was 0. EdsDiseases of Poultry.

The necropsies were performed using the technique previously described by Zander et al. In the cases of parasitism by C. Spheniscidae on the coast of Rio de Janeiro State.

Determination of the number of parasites has not been carried out. The ulcers were dark gray with their surfaces coated with mucus and their bases with a layer of necrotic tissue in which the heads of the parasites were buried.


Co-infections with Contracaecum pelagicum and C. Cabi Publishing, New York. Nematode parasites of vertebrates: On histopathological examination, hyperemia of lungs, liver and spleen were found in all birds. In the present study, the underweightness and the palpable keel-shaped sternum observed were probably due to food privation Rupley At the necropsy, one penguin 9.

The average width was 0. Services on Demand Journal.

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These parasites may be associated with other diseases, implicating in death of the penguins. InTimi et al.

Helminth contrxcaecum protozoan parasites of the alimentary tract of the yellow-eyed penguin Megadyptes antipodes. However, parasite diversity studies in this bird are scarce and the presence of C.

Some nematodes were clarified in acetic acid P.

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