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a survey of taeniid cestodes in farm dogs in mid-wales.in 1983-1988, dogs on 315 farms in powys, mid-wales, were purged once with arecoline acetarsol and the faecal purges were examined for cestodes. a few dogs were examined by autopsy. ninety-seven farms had at least one infected dog, and cestodes were found in 161 of the 882 dogs examined. the ovine strain of echinococcus granulosus was found in 41 dogs on 25 farms. taenia hydatigena, t. pisiformis, t. multiceps, t. serialis, t. ovis and dipylidium caninum were recovered from 85, 35, 15, 3, 19 and ...19921417204
the cestodes of foxhounds and foxes in powys, mid-wales.cestodes were found in 129 of 875 foxhounds from 20 packs in powys, mid-wales, examined by purging in 1983-1988, in the following order of prevalence: taenia hydatigena in 57 hounds (6.51%), echinococcus granulosus in 27 (3.09%), dipylidium caninum in 25 (2.86%), t. ovis in 14 (1.60%), t. pisiformis in 10 (1.14%), t. serialis in five (0.57%) and t. multiceps in four (0.46%). of 197 foxes examined by autopsy, 22 harboured cestodes: two (1.02%) had e. granulosus, nine (4.57%) t. polyacantha, eight ...19921417205
use of sentinel lambs for early monitoring of the south powys hydatidosis control scheme: prevalence of echinococcus granulosus and some other helminths.sentinel lambs were used to identify young echinococcus granulosus infections in sheep, to provide an early indication of the progress of the south powys hydatidosis control scheme. four sentinel lambs were purchased on each of 60 farms, from inside and outside the control area; they were examined when approximately six, 10 and 15 months of age. gross examination, thin slicing of organs and histological examination of the lesions in the viscera revealed no e granulosus hydatid cysts in lambs bor ...19911833872
the epidemiology of echinococcus granulosus in the u.k. viii. the structure of adult colonies of e.g. equinus say in farm dogs in wales.the status of echinococcus granulosus equinus in farm dogs was examined in two valleys in south powys, wales. in one valley 76% of the dogs examined were infected, and there was at least one infected dog on every farm except one. in the second valley 49% of the dogs were infected. the structure of natural adult colonies of echinococcus is described, and the population dynamics of the parasite in the u.k. is discussed. every colony in the dogs, excepting the very smallest and the very youngest, c ...19911888222
the epidemiology of echinococcus granulosus in great britain. v. the status of subspecies of echinococcus granulosus in great britain.twenty-five years ago williams and sweatman suggested that in great britain there are two subspecies of echinococcus granulosus--e. granulosus granulosus and e. granulosus equinus. echinococcus granulosus granulosus does not mature either in foxes or in horses: e. granulosus equinus will mature in either. the prepatent period of e. granulosus granulosus in the definitive host is about 42 days while that of e. granulosus equinus is about 70 days. each subspecies has a characteristic morphology. m ...19892596902
the changing incidence of human hydatid disease in england and wales.the incidence of hospital-diagnosed human hydatid disease acquired in the uk was estimated from a survey based on hospital activity analysis data for the period 1974-83. the average annual incidence in wales was 0.4 per 100,000 population compared with 0.02 per 100,000 in england. within wales, powys, and particularly brecknock, had the highest incidence (7 per 100,000 per year). compared with the period 1953-62, the average annual incidence for wales fell by half (from 0.8 to 0.4 per 100,000 pe ...19873428374
the prevalence and epidemiology of cestodes in dogs in clwyd, wales. ii. hunting dogs.studies of a foxhound pack and gundog kennel in clwyd, wales showed 47 of 162 foxhounds (29%) and six of 25 gundogs (24%) to be infested with cestodes. taeniia species were found in both groups, t. hydatigena being most common. echinococcus granulosus and dipylidium caninum were found in hounds only. the husbandry of the dogs was investigated and close relationships were found between diet, worming procedures and cestode infestation. these dogs play an important role in disseminating cestode egg ...19873675042
the epidemiology of echinococcus infection in great britain. 3. echinococcus granulosus and cestodes of the genus taenia in farm dogs in england in the lake district, northern pennines and east anglia. 19715103531
worming of dogs in mid-wales for echinococcus granulosus. 19979160536
use of sentinel lambs to survey the effect of an education programme on control of transmission of echinococcus granulosus in south powys, wales.in this article the effects of an education programme (area ii) on transmission of echinococcus granulosus from dogs to sheep in wales and of substitution of the education programme by a 6-weekly anthelmintic control programme (area i) are compared with the situation in an area where no control interventions had occurred (area iii). the education programme failed to prevent transmission of e. granulosus to sentinel lambs examined at 15 months of age, 6%, 4%, and 10% of which were infected in are ...19989868837
the epidemiology of echinococcus infection in great britain. ii.the incidence of echinococcus granulosus and some other cestodes in farm dogs in mid-wales. 196414183099
reemergence of canine echinococcus granulosus infection, wales.as a consequence of large-scale outdoor slaughter of sheep during the 2001 foot and mouth disease (fmd) outbreak in the united kingdom and the possibility of increased risk for transmission of echinococcus granulosus between sheep and dogs, a large survey of canine echinococcosis was undertaken in mid-wales in 2002. an echinococcus coproantigen-positive rate of 8.1% (94/1,164) was recorded on 22% of farms surveyed, which compares to a rate of 3.4% obtained in the same region in 1993. positivity ...200515829195
spatial and temporal investigation of echinococcus granulosus coproantigen prevalence in farm dogs in south powys, wales.the prevalence of canine echinococcosis appears to have been increasing in mid/south wales in recent years - raising the concern of a potential resurgence in transmission to humans. a campaign was therefore conducted in 2008 in order to provide dogs in south powys with anthelmintics, estimate the coproantigen prevalence amongst these dogs, and evaluate potential risk factors for coproantigen positivity. the coproantigen prevalence identified in these dogs (n=577) was 10.6% (95% confidence interv ...201021185652
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