Parasites of dogs from Indian settlements in northwestern Canada: A survey with public health implications

A total of 959 faecal samples were obtained from dogs in 12 native communities in Northern Saskatchewan, Central and Northern Alberta and the Northwest Territories. All samples were examined using a flotation technique. Samples from an area of endemic human amoebic infections were also examined by a...

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Bibliographic Details
Published in:Canadian journal of comparative medicine 1973, Vol.37 (1), p.25-32
Main Authors: Unruh, D.H.A, King, J.E, Eaton, R.D.P, Allen, J.R
Format: Article
Language:English
Subjects:
Amebiasis - epidemiology
Amebiasis - veterinary
animal diseases
animal health
Animals
Ascariasis - epidemiology
Ascariasis - veterinary
Canada
Coccidiosis - epidemiology
Coccidiosis - veterinary
Diphyllobothriasis - epidemiology
Diphyllobothriasis - veterinary
Dog Diseases - epidemiology
Dogs
Echinococcosis - epidemiology
Echinococcosis - veterinary
Hookworm Infections - epidemiology
Hookworm Infections - veterinary
Humans
Indians, North American
Isospora
Parasitic Diseases, Animal
Taeniasis - epidemiology
Taeniasis - veterinary
Toxocara
Trichuriasis - epidemiology
Trichuriasis - veterinary
Zoonoses
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Summary:A total of 959 faecal samples were obtained from dogs in 12 native communities in Northern Saskatchewan, Central and Northern Alberta and the Northwest Territories. All samples were examined using a flotation technique. Samples from an area of endemic human amoebic infections were also examined by a formol-ether sedimentation method. Eighteen necropsies were performed. Entamoeba histolytica cysts were recovered from dog faeces at Loon Lake, Saskatchewan. Toxocara canis had low incidence in Saskatchewan and Central Alberta, and appeared to be almost non-existent further North. Toxascaris leonina was found in all areas surveyed. Canine hookworm infections were plentiful in all areas, the highest incidence being recorded from Northern Alberta and Northwest Territories. Many Taenia (or Echinococcus) infections were found consistently in all areas. Only one infection with Dipylidium caninum was discovered.Metorchis conjunctus infections were found to be common in the Saskatchewan reserves. Infections with Diphyllobothrium sp. were found in all communities with access to good fishing. One specimen of Dioctophyma renale was recovered at necropsy. Infections with parasites of no known zoonotic importance such as Trichuris, Alaria and Isospora species were also recorded.
ISSN:0008-4050