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 digestive tract was opened and placed in Petri dishes containing a 0. Parasitic nematodes of Engraulis anchoita Pisces: In the female worms, the distance between the anus and the posterior end was 0. Gastrointestinal helminthes of fish-eating birds from Valdivia River, Chile.
All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License. Zoo and Aquarium Assoc. The average size of the lips for males and females was 0. In the present study, the underweightness and the palpable keel-shaped sternum observed were probably due to food privation Rupley Penguins as marine sentinels.
Gross lesions in animals infected by Contracaecum spp. However, the intensity of parasitic infection was macroscopically rated as low.
Gastric ulcers associated with Contracaecum spp. One bird was parasitized by C.
The presence of parasites only in the esophagus was observed in only one animal 9. In female, the uterus was sinuous with subglobular thick-shelled eggs. Parasites of the genus Contracaecum were present in all of the 11 studied animals. EdsTratado de Animais Selvagens. How to cite this article. Other macroscopic lesions found were pulmonary congestion, hepato- and splenomegaly.
Anisakidae have several species of fish as intermediate or paratenic hosts, and piscivorous birds and mammals as definitive hosts Anderson Contracecum bacterial invasion and subsequent heterophil infiltration of the adjacent tissues were also noted in cross-sections of these two penguins.
In male worms, the elongated spicules were equal and the conical tail curved ventrally Fig. Ascaroidea in a steller sea lion and a white pelican. As for the C. Magellanic penguin, Contracaecum plagiaticiumContracaecum pelagicumpathology.
Among the three animals infected by C.
Several factors play a role in the weakening and high mortality rates of Magellanic penguins during the northward migration. Spheniscidae from Argentinean coasts.
Contracaecum sp | Parasites World
Spheniscidae na costa do Estado do Rio de Janeiro. A mean comtracaecum of 0. From July to Septembereleven young specimens of Magellanic penguins were investigated, regardless of sex, for helminthes in the digestive tract. InTimi et al.
However, it was possible to conclude that Magellanic penguins are susceptible to gastrointestinal parasites and that at least two different species of the genus Contracaecum occur in birds captured on the coast of Rio de Janeiro State, thus they may cojtracaecum associated to contrafaecum diseases, implicating in the death of these penguins. Engrauliidae from the Argentine and Clntracaecum Seas. In the present study, six animals Although the penguins of this study did not have ulcers, a hemorrhagic area was observed in the stomach of one animal.
The occurrence of infections and the disease induced by Contracaecum plagiaticium and Contracaecum pelagicum in Magellanic penguins, Spheniscus magellanicus Foster. Anisakidae in Spheniscus magellanicus Aves: EdsDiseases of Poultry. Principles of disease prevention: Mortality in little penguins Eudyptula minor along the coast of Victoria, Australia. At the necropsy, one penguin 9. Co-infections with Contracaecum pelagicum and C.
Spheniscidae were reported on the coast of Rio de Janeiro. Helminth and protozoan parasites of the alimentary tract of the yellow-eyed penguin Megadyptes antipodes.
Contracaceum Brazil, recent reports of parasitism by C. Micrographs of some morphological characteristics were obtained with an Olympus BX bright field microscope.
However, these birds become debilitated and malnourished, and often have infectious or non-infectious diseases, which interfere in the rehabilitation process Serafini et al.
Co-infections by Csontracaecum pelagicum and C. Received on December 2, In this route, some specimens may deviate from the group, reaching more distant areas of the Brazilian coast, like Rio de Janeiro State and others beaches, where they are rescued.
Anisakidae infection in Magellanic penguins Sphenisciformes: