CONTRACAECUM SP PDF

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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The anterior end of adult worms consisted of three round lips Fig.

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Ascaroidea in a steller sea lion and a white pelican. Gross lesions in animals infected by Contracaecum spp. In the cases of parasitism by C. However, parasite diversity studies in this bird are scarce and the presence of C.

Contracaecum sp | Parasites World

Micrographs of some morphological characteristics were obtained with an Olympus BX bright field microscope. All of penguins were submitted to post-mortem examination.

Nematode parasites of vertebrates: Their development and transmission. On histopathological examination, hyperemia of lungs, liver and spleen were found in all birds. The formation of the hyaline material around the nematodes in the stomach glands was not fully understood. The average width was 0. The aim of this paper was to report the occurrence and pathological findings of Contracaecum pelagicum and C.

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EdsTratado de Animais Selvagens. Resurrection and pathogenic effects of a common parasite from the proventriculus of Anous minutus from the Great Barrier Reef, with a note on C. Anisakidae have several species of fish as intermediate or paratenic hosts, and piscivorous birds and mammals as definitive hosts Anderson They have found no obvious evidence of damage by the helminthes in conhracaecum of the contracaeum tracts of the Megadyptes antipodes in New Zeland.

Although the penguins of this study did not have ulcers, a hemorrhagic area was observed in the stomach of one animal. However, the intensity of parasitic infection was macroscopically rated as low.

One of these animals 9. 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. In that case, the parasite observed was Contracaecum spiculigerum. Contracaecum pelagicum was described infecting penguins from the species S.

As for the C. Penguins as marine sentinels. Gastric ulcers associated with Contracaecum spp. Cabi Publishing, New York. However, these birds become debilitated and malnourished, and often have infectious or non-infectious diseases, which interfere in the rehabilitation process Serafini et al.

Parasites of the genus Contracaecum were present in all of the 11 studied animals. Determination ap the number of parasites has not been carried out. Contracaecum pelagicum and C.

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Parasitic nematodes of Engraulis anchoita Pisces: The digestive tract was opened and placed in Petri dishes containing a 0. Five-micrometer sections were stained with conrtacaecum and eosin HE.

Spheniscidae has a pelagic and predatory habit, migrating from its reproductive colonies, through ocean currents, to the Brazilian continental shore to eat. Iowa State University Press, Ames.

These parasites may be associated with other diseases, implicating in death of the penguins. From July to Septembereleven young specimens of Magellanic penguins were investigated, regardless of sex, for helminthes in the digestive tract. The body showed a thick cuticle bearing transverse striations Fig. Spheniscidaena costa do Rio de Janeiro, foram relatadas. It is believed that infection has occurred due to piscivorous feeding habits during the pelagic time of S.

Some nematodes were clarified in acetic acid P. Among the contracaecm animals infected by C. Spheniscidae on the coast of Rio de Janeiro State. Magellanic penguin, Contracaecum plagiaticiumContracaecum pelagicumpathology. Parasites of the genus Contracaecum Railliet et Henry, Nematoda: Spheniscidae were reported on the coast of Rio de Janeiro.