Flashcards in Ectoparasite Review Questions Deck (29):
Are fleas host specific?
No, they have a predisposition, but will take any they can get.
What is FAD?
Flea Allergy Dermatitis
-allergy to saliva of flea, some animals are hypersensitive.
Which flea species is most common in dogs and cats?
-85% to 90%
What is another way of dx'ing fleas if there are no fleas present on an animal?
The presence of "flea dirt". This can be distinguished by moistening a cotton ball with water, and placing sample on the cotton ball. If debris turns red, it is flea dirt.
Name two commercial topical flea treatments.
-K9 Advantix (Imidacloprid + Permethrin)
What are the two important groups of lice? Which are sucking, and which are biting?
1. Anoplura - Sucking
2. Mallophaga - Biting / Chewing
Name the three species of lice which we discussed and give which group they belong to.
Where are the egg/nits of lice found?
Attached to the hair/feathers on the head, base of ears, and elbow areas. They like dark furred areas.
Name two treatments for lice.
Are all mites pathogenic? If not, why?
No, not all mites are pathogenic. Some of them are normal fauna of mammals.
-Demodex is only a prob if immune suppressed.
Red Mange or Follicular Mange
Which mite is found by using the cellophane tape method?
Which mite causes very severe pruritus and can be recovered by skin scrape, but this method is not always successful at finding the mite?
Which mite parasitizes the external ear canal and causes a crusty, thick, black debris?
What are two main tick groups, and which one has a scutum?
2. Ixodidae - has a scutum
Which tick transmits Lyme disease?
What is the organism that causes Lyme disease?
How are tick-borne illnesses dx'ed?
ELISA, serological tests.
What are some general signs of tick-borne illnesses?
Fever, lethargy, anorexia.
What is the organism that causes Rocky Mt. Spotted Fever?
Which fly species is an aggressive blood feeder?
-Horsefly & Deerfly
Name two species of fly in which the larval stage is found in the stomach.
Hypoderma spp. - cattle bot fly
Gasterophilus spp. - bot fly (stomach bot of horses)
Where is Oestrus ovis larvae usually found?
In the sinuses of sheep.
Where is the larval stage of Cuterebra spp. found?
Below the skin (subcutaneous).
-around neck, face, chest of dogs, cats, rabbits, squirrels, mice.
-or in stomach.