Trematodes (Flukes) Of Dogs And Cats Flashcards
What are the Trematoda species of dogs and cats?
Nanophyetus salmincola
Alaria species
Platynosomum fatosum
What are the hosts of Nanophyetus salmincola?
Dogs, cats, coyotes, foxes, bears
Where are Nanophyetus salmincola located?
Small intestines
Nanophyetus salmincola characteristics
Small white flukes
0.5- 1.5 mm
What is the life cycle and prepatent period of Nanophyetus salmincola?
Indirect
8 days or less
What are the intermediate hosts of Nanophyetus salmincola?
Snail- miracidium in eggs develops to cercaria in snail
Fish- Cercaria in fish develop to metacercaria
Infective stage of Nanophyetus salmincola
Metacercaria (definitive host becomes infected by eating raw fish containing metacercaria)
Clinical signs/ pathology of Nanophyetus salmincola?
Carries rickettsial agent (Neorickettsia helminthoeca) that causes:
Enteritis, Fever, vomiting. Diarrhea, anorexia
How do you diagnose Nanophyetus salmincola?
Fecal floatation
Egg characteristics of Nanophyetus salmincola
Multicellular
Single operculum
Treatment/ prevention of Nanophyetus salmincola
Praziquantel (fluke)
Tetracycline (bacteria)
Restrict host from eating raw salmon or similar fresh water fish
What are the hosts of alaria canis and alaria marcianae?
Dog (A. Canis) and cats (A. Marcianae)
Alaria species characteristics
Eggs: large, multicellular with single operculum
Body: large with hind body and forebody
Where are alaria species located?
Small intestine
Why are the prepatent period and lifecycle of alaria canis and alaria marcianae?
3 weeks
Indirect