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10 Cards in this Set
- Front
- Back
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Cestodes General info |
Many species seen Occur in most mammals All require intermediate host Adults may survive years in GIT Signs often lacking -May see loss of condition Maybe quite long- 45 feet |
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Cestodes Characteristics |
Scolex: knob-like w/ suckers Proglottids- segments Small thick shelled eggs Shed intermittently Some are motile Found in feces or around anus |
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Life Cycle |
Egg ingested Hatches in intestine of I.H Embryo into wall & migrates Becomes larva Intermediate host ingested Larva matures to adult |
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Dipylidium Caninum |
In dog, cats, and man - Flea is intermediate host - Flea larvae ingest eggs Flea eaten by definitive host 1 month prepatent period Find proglottid or egg packet |
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Taenia species |
In dogs and cats Adults in small intestine Mammal is intermediate host - rodent, rabbit, herbivore Mostly dx if see proglottids - eggs small, thick shell, hooks 2 month prepatent period |
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Echinococcs species |
Fox Tapeworm: Cat & Dogs can get it, but no clinical signs Common in N. Central U.S. -Spreading east Causes hydatid disease: Fluid fill cysts Rodent intermediate host Tiny proglottids hard to see Dangerous to man- cysts in brain Zoonatic |
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Moniezia species |
"Cattle Tapeworm" Cattle, Sheep, Goats Small intestine Intermediate host: Free living mite 4 meters long |
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Anoplocephala species |
Equine tapeworm Horses Small intestine Intermediate host: Free living mite No Clinical sign |
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Spiralmetra species |
"Zipperworm" Cats and dog Small intestine Intermediate host: first- aquatic crustacean. second- Fish and frog |
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Diphyllobothrium species |
"Broad Fish Tapeworm" Dogs, cats, and humans Small intestine Intermediate host: first- aquatic crustacean. second- Fish and frog |
