Distribution and intensity of <Emphasis Type="BoldItalic">Echinococcus granulosus</Emphasis> infections in dogs in Moroto District,Uganda |
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Authors: | Francis O Inangolet Demelash Biffa John Opuda-Asibo James Oloya Eystein Skjerve |
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Institution: | (1) Center for Epidemiology and Biostatistics, Norwegian School of Veterinary Science, P.O. Box 8146 Dep, 0033 Oslo, Norway;(2) Hawassa University, P.O. Box 5, Hawassa, Ethiopia;(3) Department of Veterinary Public Health and Preventive Medicine, Makerere University, Kampala, Uganda; |
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Abstract: | This study was carried out during August 2007–March 2008 in pastoral areas of Moroto District, Uganda. It investigated the
distribution and infection intensity of Echinococcus granulosus in the dog population and involved the postmortem examination of 327 dogs (106 domesticated; 80 semi-domesticated, and 141
strays; comprised of 163 females and 164 males). The overall prevalence of E. granulosus was 66.3% (95% CI = 60.8–71.4) with parasite burdens of 6–5,213 among the infected dogs. The prevalence of E. granulosus was primarily associated with the season. While the dogs were more likely to have high parasite burdens during the rainy
as opposed to the dry season, the parasite burden of E. granulosus infection was also highly associated with age and husbandry. Young dogs were at greater risk of carrying a heavy burden of
E. granulosus infection than adults. Likewise, stray dogs were more likely to have a heavy parasite burden. As the study documented a high
prevalence and intensity of E. granulosus infection in the dog population in Moroto District of Uganda, further studies need to be carried out in human and intermediate
hosts to elucidate the cycle of transmission that could help to design appropriate controlling measures. |
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