The prevalence of Echinococcus granulosus in farm dogs in mid-Wales |
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| Authors: | TMH Walters MJ Clarkson |
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| Institution: | 1. Ministry of Agriculture, Castle House, Newport Road, Stafford Great Britain;7. University of Liverpool, Department of Veterinary Preventive Medicine, Veterinary Field Station, ‘Leahurst’, Chester High Road, Neston, Wirral, Merseyside, L64 7TE Great Britain |
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| Abstract: | One hundred and fourteen farms in Powys, mid-Wales, were visited on two occasions approximately 8 months apart during 1975. All the farm dogs were dosed with arecoline acetarsol and the faecal purges were examined for the presence of Echinococcus granulosus.Sixty-seven farms (58.8%) contained at least one infected dog on at least one of the visits but only 36 farms and 43 farms had infected dog at the first and second visits, respectively.Four hundred and twenty-nine dogs provided at least one sample and 108 (25.2%) of these samples contained E. granulosus. Only seven dogs were infected at both visits.The mean numbers of worms found in the samples were 241.6 and 156.4 at the first and second visits, respectively, but almost 50% of the positive samples contained fewer than 26 worms. The worms were identified as the sheep strain, the known cause of hydatid disease in man in Wales. |
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