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Gastro-intestinal parasites of feral cats in New South Wales.

A total of 146 feral cats from several localities in New South Wales were examined for the presence of gastro-intestinal parasites. The cestodes recorded, and their prevalence, were Taenia taeniaeformis (21.9%), Spirometra erinacei (61.0%) and Dipylidium caninum (11.6%). One animal contained 31 T. serialis scolices considered to be the contents of a recently ingested Coenurus serialis. The common nematodes encountered and their prevalence were Toxocara cati (21.9%) and Ancylostoma spp (23.3%). Uncinaria stenocephala were found in 2 cats and a stomach wall tumour containing Cyathospirura dasyuridis was found in 1 cat, An acanthocephalan resembling Oncicola canis was the most prevalent parasite among feral cats in this survey. High burdens of S. erinacei, D. caninum, Ancylostoma spp and Oncicola sp were found. Samples from 4 localities in New South Wales were compared and there were major differences in the prevalence of T. taeniaeformis, D. caninum and T. cati. Ancylostoma spp occurred only in the Sydney (53.2%) and the Warren (4.8%) areas. Oncicola sp was not present in the Sydney area, but occurred in the Young area in 23.5% of the feral cats examined and in the Warren area (33.3%) and was most prevalent in the Menindee area (79.2%).

Animals↗

The prevalence of tapeworms in dogs during the Hydatid Limitation program in Tasmania.

The hydatid Limitation Program in Tasmania began in 1965 with the annual purging of dogs to identify areas of high prevalence of Echinococcus granulosus combined with a strong educational program aimed at preventing access to offal by dogs. From 1969 to 1975 aenia spp detected in dog purges were submitted for identification and changes in annual prevalences analysed for each species. Despite a significant reduction in the prevalence of E. granulosus since the beginning of the program, the control measures involved have apparently not predisposed to any significant change in the prevalence of T. ovis and T. hydatigena during the period of this survey.

Animals↗

Helminth parasites and arthropods of feral cats.

The prevalence (%) of helminth parasites in 327 mainly adult feral cats from 3 habitat groupings in Victoria and New South Wales was determined. The cestodes Taenia taeniaeformis (33%) and Spirometra erinacei (33%) were common; Dipylidium caninum was rate (2%). The nematodes Toxocara cati (28%), Cyathospirura dasyuridis and Cylicospirura felineus combined (27%) and Aelurostrongylus abstrusus (14%) were common but their prevalence differed markedly between habitats. Ollulanus tricuspis (5%), Gnathostoma spinigerum (less than 1%) and an Acanthocephala, Onicola sp (19%), also occurred. Arthropod parasites were collected from 204 of these cats, Ctenocephalides felis (16%) and Echidnophaga spp. (28%) were common. Spilopsyllus cuniculi (3%) and Ctenocephalides canis and Nosopsyllus fasciatus (less than 1% each) were rare. Other rare ectoparasites were the louse, Felicola subrostrata (4%), the mites, Otodectes cynotis, Cheyletiella sp and a trombiculid (less than 1% each); and the tick lxodes tasmani (less than 1%). There was no correlation between degree of parasitism and general condition of the cats.

Animals↗

Prevalence and intensity of non-strongyle intestinal parasites of horses in northern Queensland.

A quantitative post-mortem study of 57 horses from northern Queensland was done to determine the prevalence and intensity of non-strongyle intestinal parasites. The following species (% prevalence) were found: Draschia megastoma (39%); Habronema muscae (43%); Gasterophilus intestinalis (34%), G. nasalis (30%); Parascaris equorum (15%); Strongyloides westeri (6%); Probstmayria vivipara (2%); Oxyuris equi (26%); Anoplocephala magna (2%); A. perfoliata (32%). Mean parasite numbers of individual species ranged from 10 to 1310. Prevalence and intensity data were compared to recent studies in Western Australia and in the United States of America. Differences between stabled and paddocked horses were noted, particularly for botfly larvae and spiruroids. Climatic and seasonal changes in prevalence were restricted to H. muscae, G. nasalis and P. equorum with highest prevalence in the wet season or in horses from wet coastal areas. Only P. equorum showed any age effect being restricted to horses less than 5 years old. Breed and sex of horses was not important. The likelihood of changing parasite population dynamics with improved anthelmintic regimen is discussed.

Age Factors↗

Intraocular coenurosis: a case report.

A case of intraocular coenurosis was clinically diagnosed and treated with praziquantel. The drug destroyed the coenurus, but vision was lost through toxic endophthalmitis and retinal detachment. There were no systemic side effects.

Adult↗