Please pay close attention to the shape and size of both the eggs and adults as you will be tested on this information

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Scientific Name: Ancylostoma caninum
Common parasites of both dogs and cats
Notice the bundle of “eggs” within the egg
Notice the thin outer shell

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Scientific Name: Uncinaria stenocephala
Uncinaria is the larger egg in the picture

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Adult hookworm
Notice the “hook” on the mouthparts
Causes bloody diarrhea

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Scientific name: Dipylidium caninum
Most common tapeworm of dogs and cats
Large egg with what looks like “packets” of eggs inside

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Scientific Name: Taenia sp.
Commonly found in both dogs and cats
Not usually seen on a fecal flotation

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Adult tapeworm
Notice the “segmented” appearance

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Scientific Name: Toxacara canis and Toxacaris leonina
T. canis is commonly found in both dogs and cats
T. canis is larger than T. leonina
T. leonina is less common in dogs and cats
Notice the thick outer shell and dark interior

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Adult roundworm
Clients typically describe the adult worm as looking like spaghetti
Common in puppies

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Scientific Name: Trichuris vulpis
Common worm in dogs
Notice the “plug” or operculum at both ends of the egg and thick brown shell

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Adult dog whipworm
Notice the “whip” type appearance of the tail
The tail slashes the lining of the intestines, causing bloody diarrhea

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Scientific Name: Isospora canis
Common canine parasite
Notice the oval shape

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Scientific Name: Isospora felis
Common feline parasite