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Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad

Copepods infected with Dracunculus medinensis larvae collected from infected dogs in Chad were fed to 2 species of fish and tadpoles. Although they readily ingested copepods, neither species of fish, Nile tilapia (Oreochromis niloticus) nor fathead minnow (Pimephalis promelas), were found to harbor...

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Autores principales: Eberhard, Mark L., Yabsley, Michael J., Zirimwabagabo, Hubert, Bishop, Henry, Cleveland, Christopher A., Maerz, John C., Bringolf, Robert, Ruiz-Tiben, Ernesto
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Centers for Disease Control and Prevention 2016
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4982183/
https://www.ncbi.nlm.nih.gov/pubmed/27434418
http://dx.doi.org/10.3201/eid2208.160043
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author Eberhard, Mark L.
Yabsley, Michael J.
Zirimwabagabo, Hubert
Bishop, Henry
Cleveland, Christopher A.
Maerz, John C.
Bringolf, Robert
Ruiz-Tiben, Ernesto
author_facet Eberhard, Mark L.
Yabsley, Michael J.
Zirimwabagabo, Hubert
Bishop, Henry
Cleveland, Christopher A.
Maerz, John C.
Bringolf, Robert
Ruiz-Tiben, Ernesto
author_sort Eberhard, Mark L.
collection PubMed
description Copepods infected with Dracunculus medinensis larvae collected from infected dogs in Chad were fed to 2 species of fish and tadpoles. Although they readily ingested copepods, neither species of fish, Nile tilapia (Oreochromis niloticus) nor fathead minnow (Pimephalis promelas), were found to harbor Dracunculus larvae when examined 2–3 weeks later. Tadpoles ingested copepods much more slowly; however, upon examination at the same time interval, tadpoles of green frogs (Lithobates [Rana] clamitans) were found to harbor small numbers of Dracunculus larvae. Two ferrets (Mustela putorius furo) were fed fish or tadpoles that had been exposed to infected copepods. Only the ferret fed tadpoles harbored developing Dracunculus larvae at necropsy 70–80 days postexposure. These observations confirm that D. medinensis, like other species in the genus Dracunculus, can readily survive and remain infective in potential paratenic hosts, especially tadpoles.
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spelling pubmed-49821832016-08-12 Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad Eberhard, Mark L. Yabsley, Michael J. Zirimwabagabo, Hubert Bishop, Henry Cleveland, Christopher A. Maerz, John C. Bringolf, Robert Ruiz-Tiben, Ernesto Emerg Infect Dis Research Copepods infected with Dracunculus medinensis larvae collected from infected dogs in Chad were fed to 2 species of fish and tadpoles. Although they readily ingested copepods, neither species of fish, Nile tilapia (Oreochromis niloticus) nor fathead minnow (Pimephalis promelas), were found to harbor Dracunculus larvae when examined 2–3 weeks later. Tadpoles ingested copepods much more slowly; however, upon examination at the same time interval, tadpoles of green frogs (Lithobates [Rana] clamitans) were found to harbor small numbers of Dracunculus larvae. Two ferrets (Mustela putorius furo) were fed fish or tadpoles that had been exposed to infected copepods. Only the ferret fed tadpoles harbored developing Dracunculus larvae at necropsy 70–80 days postexposure. These observations confirm that D. medinensis, like other species in the genus Dracunculus, can readily survive and remain infective in potential paratenic hosts, especially tadpoles. Centers for Disease Control and Prevention 2016-08 /pmc/articles/PMC4982183/ /pubmed/27434418 http://dx.doi.org/10.3201/eid2208.160043 Text en https://creativecommons.org/licenses/by/4.0/This is a publication of the U.S. Government. This publication is in the public domain and is therefore without copyright. All text from this work may be reprinted freely. Use of these materials should be properly cited.
spellingShingle Research
Eberhard, Mark L.
Yabsley, Michael J.
Zirimwabagabo, Hubert
Bishop, Henry
Cleveland, Christopher A.
Maerz, John C.
Bringolf, Robert
Ruiz-Tiben, Ernesto
Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title_full Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title_fullStr Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title_full_unstemmed Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title_short Possible Role of Fish and Frogs as Paratenic Hosts of Dracunculus medinensis, Chad
title_sort possible role of fish and frogs as paratenic hosts of dracunculus medinensis, chad
topic Research
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4982183/
https://www.ncbi.nlm.nih.gov/pubmed/27434418
http://dx.doi.org/10.3201/eid2208.160043
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