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Cited by 128Helminth infection and controlParasitic infections in humans and animalsParasites and Host Interactions

Contamination of dog hair with eggs of Toxocara canis

Roddie, Gillian, Stafford, Peter, Holland, Celia, Wolfe, Alan·2008·Veterinary Parasitology
DOI 10.1016/j.vetpar.2007.12.008
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Abstract

Toxocara canis, the common intestinal nematode of dogs and foxes, is the parasite responsible for human toxocarosis. It has recently been shown that dogs may harbour eggs of the parasite in their fur. To further investigate this claim a population of 100 stray dogs was examined to establish the prevalence and intensity of adult toxocaral worm infection in the intestines and eggs harboured in the hair. A novel method of washing the eggs from the hair was used. Sixty-seven percent of dogs were found to have T. canis eggs on their hair with a mean egg retrieval of nearly 584 eggs per gram from positive dogs. The age of the dog was found to be the only significant factor to influence the prevalence and intensity of eggs, with 95% of all the eggs recovered found on puppies. Thirty-nine percent of dogs were found to have adult T. canis worms in their intestine, although a significantly higher percentage of puppies (80%) were infected with worms than adults (22.5%). Puppies also had more worms per infection than adults and have a strong positive correlation between egg and worms numbers whereas adults did not. These studies show that stray dogs, particularly puppies, potentially harbour considerable numbers of eggs on their hair, at densities far higher than those reported in the soil or the general environment.

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  • Patent ascaridosis may be detected in animals older than 3 years or more, and may also establish when infection occurs with a few larvated ova.

    “Patent ascaridosis may be detected in animals older than 3 years or more, and may also establish when infection occurs with a few larvated ova [11,46,54-56].”

    From Pet roundworms and hookworms: A continuing need for global worming (2012) · cites this paper as [56]

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Authors
Roddie, G., Stafford, P., Holland, C., & Wolfe, A.
Affiliations
  • Trinity College Dublin (IE)
  • Massey University (NZ)
Corresponding author
Roddie, Gillian
ORCID
Holland, Celia
Venue
Veterinary Parasitology
Publisher
Elsevier BV
Published
2008-03
Volume
152
Issue
1-2
Pages
85-93
ISSN
0304-4017 (ISSN-L)
DOI
10.1016/j.vetpar.2007.12.008
OpenAlex
W2052121540
Cited by
128
References
38
Citations by year
2026: 3 · 2025: 1 · 2024: 5 · 2023: 5 · 2022: 7 · 2021: 4 · 2020: 11 · 2019: 9 · 2018: 7 · 2017: 9 · 2016: 6 · 2015: 7 · 2014: 13 · 2013: 9 · 2012: 8
FWCI
12.35
Type
journal article
Language
en
Open access
closed
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Locations
  • Veterinary Parasitology (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Bayer
  • Bayer HealthCare
Topics
  • Health Sciences › Veterinary › Small Animals › Helminth infection and control
  • Health Sciences › Medicine › Pathology and Forensic Medicine › Parasitic infections in humans and animals
  • Life Sciences › Immunology and Microbiology › Parasitology › Parasites and Host Interactions
Keywords
Toxocara canis, parasite eggs, stray dogs, intestinal nematode infection, prevalence, infection intensity, age-related infection, puppies, environmental contamination
MeSH terms
Age Factors, Animals, Animals, Wild, Disease Reservoirs, Dog Diseases, Dogs, Female, Hair, Humans, Male, Parasite Egg Count, Toxocariasis, Zoonoses, Prevalence, Toxocara canis

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