Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts
The larval development of the nematode Contracaecum rudolphii (Rudolphi, 1819), a common parasite of the proventriculus of cormorants, was experimentally studied. Within the eggs cultivated in freshwater under laboratory temperatures of 20-22 °C, the developing larva undergoes two moults on days 4-5...
Published in: | Folia Parasitologica |
---|---|
Main Author: | |
Format: | Article in Journal/Newspaper |
Language: | unknown |
Subjects: | |
Online Access: | https://kramerius.lib.cas.cz/view/uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 https://doi.org/10.14411/fp.2009.023 |
id |
ftczechacademysc:oai:kramerius.lib.cas.cz:uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 |
---|---|
record_format |
openpolar |
spelling |
ftczechacademysc:oai:kramerius.lib.cas.cz:uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 2024-03-17T08:53:21+00:00 Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts Moravec, František 185-193 média svazek https://kramerius.lib.cas.cz/view/uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 https://doi.org/10.14411/fp.2009.023 unknown https://kramerius.lib.cas.cz/view/uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 doi:10.14411/fp.2009.023 policy:public parasitic nematode Contracaecum cormorant Phalacrocorax development paratenic host copepod fish model:article ftczechacademysc https://doi.org/10.14411/fp.2009.023 2024-02-19T23:09:01Z The larval development of the nematode Contracaecum rudolphii (Rudolphi, 1819), a common parasite of the proventriculus of cormorants, was experimentally studied. Within the eggs cultivated in freshwater under laboratory temperatures of 20-22 °C, the developing larva undergoes two moults on days 4-5, attaining the third larval stage. Most of the ensheathed third-stage larvae, 291-457 µm long, hatch spontaneously from egg shells on days 5-6. Experiments have indicated that hatched ensheated third-stage larvae and those still inside egg capsules are already infective to copepods and fishes, which both can be considered paratenic (metaparatenic) hosts. Five copepod species, Acanthocyclops vernalis, Cyclops strenuus, Ectocyclops phaleratus, Eucyclops serrulatus and Megacyclops viridis, the isopod Asellus aquaticus and small carps Cyprinus carpio were infected by feeding them these larvae. In addition, 9 fish species, Alburnoides bipunctatus, Anguilla anguilla, Barbatula barbatula, Cyprinus carpio, Gobio gobio, Perca fluviatilis, Phoxinus phoxinus, Poecilia reticulata and Tinca tinca, were successfully infected by feeding them copepods previously infected with C. rudolphii third-stage larvae. In fishes, larvae from copepods penetrate through the intestinal wall to the body cavity, where, in a few weeks, they become encapsulated; the larvae substantially grow in fish, attaining the body length up to 4.87 mm. In carp fry, the nematode third-stage larvae survived for about 15 months (up to 18 months in fish infected directly, i.e., without copepods). One small cormorant (Phalacrocorax carbo sinensis) was successfully infected by feeding it with copepods harbouring C. rudolphii third-stage larvae. Article in Journal/Newspaper Anguilla anguilla Copepods Czech Academy of Sciences: dKNAV Folia Parasitologica 56 3 185 193 |
institution |
Open Polar |
collection |
Czech Academy of Sciences: dKNAV |
op_collection_id |
ftczechacademysc |
language |
unknown |
topic |
parasitic nematode Contracaecum cormorant Phalacrocorax development paratenic host copepod fish |
spellingShingle |
parasitic nematode Contracaecum cormorant Phalacrocorax development paratenic host copepod fish Moravec, František Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
topic_facet |
parasitic nematode Contracaecum cormorant Phalacrocorax development paratenic host copepod fish |
description |
The larval development of the nematode Contracaecum rudolphii (Rudolphi, 1819), a common parasite of the proventriculus of cormorants, was experimentally studied. Within the eggs cultivated in freshwater under laboratory temperatures of 20-22 °C, the developing larva undergoes two moults on days 4-5, attaining the third larval stage. Most of the ensheathed third-stage larvae, 291-457 µm long, hatch spontaneously from egg shells on days 5-6. Experiments have indicated that hatched ensheated third-stage larvae and those still inside egg capsules are already infective to copepods and fishes, which both can be considered paratenic (metaparatenic) hosts. Five copepod species, Acanthocyclops vernalis, Cyclops strenuus, Ectocyclops phaleratus, Eucyclops serrulatus and Megacyclops viridis, the isopod Asellus aquaticus and small carps Cyprinus carpio were infected by feeding them these larvae. In addition, 9 fish species, Alburnoides bipunctatus, Anguilla anguilla, Barbatula barbatula, Cyprinus carpio, Gobio gobio, Perca fluviatilis, Phoxinus phoxinus, Poecilia reticulata and Tinca tinca, were successfully infected by feeding them copepods previously infected with C. rudolphii third-stage larvae. In fishes, larvae from copepods penetrate through the intestinal wall to the body cavity, where, in a few weeks, they become encapsulated; the larvae substantially grow in fish, attaining the body length up to 4.87 mm. In carp fry, the nematode third-stage larvae survived for about 15 months (up to 18 months in fish infected directly, i.e., without copepods). One small cormorant (Phalacrocorax carbo sinensis) was successfully infected by feeding it with copepods harbouring C. rudolphii third-stage larvae. |
format |
Article in Journal/Newspaper |
author |
Moravec, František |
author_facet |
Moravec, František |
author_sort |
Moravec, František |
title |
Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
title_short |
Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
title_full |
Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
title_fullStr |
Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
title_full_unstemmed |
Experimental studies on the development of Contracaecum rudolphii (Nematoda: Anisakidae) in copepod and fish paratenic hosts |
title_sort |
experimental studies on the development of contracaecum rudolphii (nematoda: anisakidae) in copepod and fish paratenic hosts |
url |
https://kramerius.lib.cas.cz/view/uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 https://doi.org/10.14411/fp.2009.023 |
op_coverage |
185-193 |
genre |
Anguilla anguilla Copepods |
genre_facet |
Anguilla anguilla Copepods |
op_relation |
https://kramerius.lib.cas.cz/view/uuid:3f6b7fc5-3d19-47a4-814d-7ac5267a21d7 doi:10.14411/fp.2009.023 |
op_rights |
policy:public |
op_doi |
https://doi.org/10.14411/fp.2009.023 |
container_title |
Folia Parasitologica |
container_volume |
56 |
container_issue |
3 |
container_start_page |
185 |
op_container_end_page |
193 |
_version_ |
1793764544398491648 |