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Epidemiology of intestinal helminth parasites in stray dogs from markets in south-eastern Nigeria

Published online by Cambridge University Press:  14 December 2010

I.C. Okoye ,
N.R. Obiezue ,
C.E. Okorie  and
I.E. Ofoezie
I.C. Okoye*
Affiliation:
Parasitology and Biomedical Research Unit, Department of Zoology, University of Nigeria, Nsukka, Enugu State, Nigeria
N.R. Obiezue
Affiliation:
Parasitology and Biomedical Research Unit, Department of Zoology, University of Nigeria, Nsukka, Enugu State, Nigeria
C.E. Okorie
Affiliation:
Parasitology and Biomedical Research Unit, Department of Zoology, University of Nigeria, Nsukka, Enugu State, Nigeria
I.E. Ofoezie
Affiliation:
Institute of Ecology and Environmental Studies, Obafemi Awolowo University, Ife-Ife, Osun State, Nigeria
*
*E-mail: [email protected]
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Abstract

A survey of gastrointestinal helminth parasites of stray dogs (Canis familiaris) was conducted at Obollo-Afor and Ekwulobia markets, in Enugu and Anambra States, south-eastern Nigeria, respectively, to determine the patterns of infection among dogs in different parts of south-eastern Nigeria. Faecal samples collected, using long forceps, from every dog encountered in the markets between June 2007 and December 2008 were analysed by the Kato–Katz technique. Out of 413 dogs examined in both markets, 217 (52.6%) were infected with at least one of five parasites (Toxocara spp., Dipylidium caninum, Ancylostoma caninum, Taenia spp. and Trichuris vulpis). Overall faecal egg intensity of infection was 49.9 ± 58.7 eggs/g (epg). The prevalence of infection was comparable between the markets and between the male and female dogs, but varied significantly (P < 0.05) by age, decreasing from 78.9% in pups to 36.0% in adult dogs. The mean intensity pattern was similar to that of prevalence, decreasing from 86.7 ± 63.0 epg in pups to 22.1 ± 34.4 in adults. The most important individual parasite infection was Ancylostoma spp. (39.2%; 30.0 ± 41.2 epg) while T. vulpis was the least important (1.9%; 0.7 ± 5.4 epg). Generally, prevalence and intensity patterns of each parasite were also comparable between the markets and between sexes, but significantly (P < 0.05) age-dependent. The implications of these findings to public health in Nigeria and other endemic countries are discussed in relation to options for cost-effective control design and implementation.

Type
Research Papers
Information
Journal of Helminthology , Volume 85 , Issue 4 , December 2011 , pp. 415 - 420
Copyright
Copyright © Cambridge University Press 2010

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