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The life cycle of <i>Anguillicola crassus</i> OMA
De Charleroy, D.; Grisez, L.; Thomas, K.; Belpaire, C.; Ollevier, F.P..
For some years now the parasitic swim bladder nematode <i>Anguillicola crassus</i> of the European eel <i>Anguilla anguilla</i> L., has been reported from several European countries. The entire life history of this parasite has recently been elucidated in our laboratory. Young larvae leave the swim bladder of the host via the pneumatic duct and reach the water through the digestive tract. They are ingested by small copepods (Cyclopoida), which act as intermediate hosts. Larvae remain in the hemocoel until the copepods are eaten by the final host, the European eel. Larvae penetrate through the intestinal wall and reach the swim bladder where they develop into adults. When infected copepods are eaten by other small fish, such as carp...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biological vectors; Disease transmission; Fish diseases; Food chains; Freshwater fish; Hosts; Life cycle; Parasites; Parasitic diseases; Predation; Predators; Swim bladder; Anguillicola crassus.
Ano: 1990 URL: http://www.vliz.be/imisdocs/publications/3074.pdf
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Experimentally induced infections of European eel <i>Anguilla anguilla</i> with <i>Anguillicola crassus</i> (Nematoda, Dracunculoidea) and subsequent migration of larvae OMA
Haenen, O.L.M.; Grisez, L.; De Charleroy, D.; Belpaire, C.; Ollevier, F.P..
Migration patterns of third-stage <i>Anguillicola crassus</i> larvae, and pathogenesis of the lesions induced by third-stage larvae, was investigated in European eel <i>Anguilla anguilla</i> L. Young elvers (1g) were fed infected <i>Paracyclops fimbriatus</i> (Copepoda). Eel samples were collected and examined histologically at varying intervals during 6 mo post-infection period. Third-stage larvae (L-III) migrated directly through the intestinal wall and body cavity to the swimbladder within 17h post-infection. L-IV larvae were detected 3 mo post-infection, and immature adults were detected within 4 mo post-infection. The parasites occasionally showed aberrant migration paths. Pathological effects caused by the parasite...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Larvae Life cycle Pathology Anguilla anguilla (Linnaeus; 1758) Anguillicola crassus.
Ano: 1989 URL: http://www.vliz.be/imisdocs/publications/3029.pdf
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An improved method for artificial infection of the European eel, <i>Anguilla anguilla</i>, with <i>Anguillicola crassus</i> (Nematoda, Dracunculoidea) OMA
De Charleroy, D.; Cannaerts, V.; Augustijn, H.; Grisez, L.; Boon, J.; Ollevier, F.P..
A standardized method was developed for artificially infecting the European eel with <i>Anguillicola crassus</i>, a parasitical swim bladder nematode. For this purpose, an intermediate host, <i>Paracyclops fimbriatus</i>, and a paratenic host, <i>Cyprinus carpio</i>, were used. Parasite prevalence in the artificially infected eels was very high, although there was a large variation in the number of worms per eel. Compared to other methods of artificial infection described in the literature, this method appears to be more efficient ad reliable; there were also more infectious larvae that were recovered and the mortality rate of eels under treatment was lower.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hosts Infestation Invertebrate larvae Methodology Mortality Swim bladder Anguilla anguilla (Linnaeus; 1758) Anguillicola crassus Copepoda [copepods] Cyprinus carpio Nematoda [Nematodes] Paracyclops fimbriatus (Fischer; 1853).
Ano: 1990 URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3073
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