Ectoparasite Review Questions Flashcards
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?
Ctenocephalides felis
-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.
- Advantage (Imidacloprid)
- K9 Advantix (Imidacloprid + Permethrin)
What are the two important groups of lice? Which are sucking, and which are biting?
- Anoplura - Sucking
2. Mallophaga - Biting / Chewing
Name the three species of lice which we discussed and give which group they belong to.
Anoplura
- Haematopinus spp.
- Linognathus setosus
- Polyplax spp.
Mallophaga
- Felicola subrostratus
- Trichodectes canis
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.
- Ivermectin
2. Permethrins
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.
Cheyletiella spp.
Walking Dandruff
Sarcoptes
Scabies
Notoedres
Cat Scabies
Demodex
Red Mange or Follicular Mange
Otodectes
Ear Mites