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Cited by 87Parasitic Diseases Research and TreatmentHelminth infection and controlResearch on Leishmaniasis Studies

Onchocercosis: A newly recognized disease in dogs

Sréter, Tamás, Széll, Zoltán·2008·Veterinary Parasitology
DOI 10.1016/j.vetpar.2007.09.008
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Abstract

In the past 15 years, onchocercosis has been reported with increasing frequency in dogs in Europe and the United States, and 64 cases have been described so far. According to some authors, the Onchocerca sp. responsible for canine cases spills over from domestic or wild ungulates into dogs. However, canine Onchocerca does not match any of the descriptions for species of Onchocerca reported from domesticated and wild animals in Europe or North America. The nucleotide sequences of canine Onchocerca are also unique within the genus. Moreover, patent Onchocerca infections can be seen only in accidental hosts closely related to the natural hosts. In canine onchocercosis cases, high microfilarial load could be observed indicating that canids might be the definitive hosts of the parasite. Therefore, others suggested that Onchocerca lupi Rodonaja, 1967 originally described from a wolf (Canis lupus) can be responsible for these infections, which is a typical example for host switch and site shift, the dominant modes of speciation of the genus Onchocerca. The morphology, molecular characteristics, phylogeny, life cycle, host specificity, geographical distribution of Onchocerca sp. infecting dogs, as well as the clinical signs, pathology, laboratory diagnosis, therapy and possible zoonotic significance of canine onchocercosis are reviewed. Research into human onchocercosis has been hampered by the lack of analogous models. As infections in dogs may provide a practical experimental system, further studies should be encouraged to try to establish experimental Onchocerca infections in dogs.

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  • Surgical removal of the nodules containing the worms is the only curative treatment for ocular onchocercosis caused by O. lupi infestation in dogs.

    “surgical removal of the nodules containing the worms remains the only curative treatment for ocular onchocercosis, even thought developmental stages present in periocular tissues and other parts of the body may cause relapses [32].”

    From Vector-borne helminths of dogs and humans in Europe (2013) · cites this paper as [32]

  • Developmental stages of O. lupi present in periocular tissues and other parts of the body may cause relapses after surgical removal.

    “developmental stages present in periocular tissues and other parts of the body may cause relapses [32].”

    From Vector-borne helminths of dogs and humans in Europe (2013) · cites this paper as [32]

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Authors
Sréter, T., & Széll, Z.
Corresponding author
Sréter, Tamás
ORCID
Sréter, Tamás
Venue
Veterinary Parasitology
Publisher
Elsevier BV
Published
2008-01
Volume
151
Issue
1
Pages
1-13
ISSN
0304-4017 (ISSN-L)
DOI
10.1016/j.vetpar.2007.09.008
OpenAlex
W1986507418
Cited by
87
References
72
Citations by year
2025: 2 · 2024: 1 · 2023: 3 · 2022: 7 · 2021: 4 · 2020: 7 · 2019: 2 · 2018: 3 · 2017: 3 · 2016: 5 · 2015: 17 · 2014: 4 · 2013: 9 · 2012: 10
FWCI
0.11
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Veterinary Parasitology (publishedVersion)
  • PubMed (publishedVersion)
  • Repository of the Academy's Library (Library of the Hungarian Academy of Sciences) (acceptedVersion)
Topics
  • Health Sciences › Medicine › Infectious Diseases › Parasitic Diseases Research and Treatment
  • Health Sciences › Veterinary › Small Animals › Helminth infection and control
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Research on Leishmaniasis Studies
Keywords
Onchocerca lupi, Onchocerca, dogs, host switching, definitive host, microfilarial load, zoonotic potential, experimental infection model, parasite phylogeny, host specificity, clinical signs, laboratory diagnosis, anthelmintic treatment
MeSH terms
Animals, Animals, Wild, Diagnosis, Differential, Disease Reservoirs, Dog Diseases, Dogs, Female, Host-Parasite Interactions, Male, Onchocerca, Onchocerciasis, Species Specificity, Zoonoses

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