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.
SummaryA study was carried out in Nsukka cultural zone, Nigeria, with the aim of determining the prevalence, intensity and abundance of intestinal endoparasitic fauna of commonly consumed wildlife or bushmeat. From the 143 wild animals sampled, 141 (98.6 %) were found at least infected with one intestinal parasite. Ascaris lumbricoides was the overall most prevalent (48.8 %). Dicrocoelium hospes differed signifi cantly in age-related prevalence of infection. Signifi cant sex-related difference in infection (P<0.05) was recorded for Strongyloides papillosus, A. lumbricoides, Oesophagostomum columbianum and Moniliformis moniliformis while Taenia saginata and Entamoeba histolytica showed signifi cant seasonal differences in intensity of infection. The results suggest that bush-meats were hosts of various parasites of medical and veterinary importance. There is need for health inspection of bush-meat for trade and consumption.
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