Disease Notes Day 3
H.
External parasites of small animals
1. ______ are brown, blood-sucking insects of small size that move rapidly over the skin.
a.
b.
c.
2.
Fleas may develop from eggs to adult in as little as 16 days.
Cat fleas and dog fleas may first be detected in the ______________________
area of the animal.
Cause irritation and extreme itching, but may be controlled with powders, dips,
shampoos, collars, oral insecticides, foggers and sprays.
___________ are blood-sucking arthropods of the skin.
a. There are two main families of ticks: _________________________________.
b. Two types of hard ticks are major reasons for concern on dogs: Brown dog tick
can survive _________ and the American dog tick lives in grass and on shrubs.
c. The main soft tick is the Spirose Ear Tick. The larvae and nymph stage live in and
cause irritation to the __________________________________________.
3. Lice are wingless insects that _____________________ blood from the host.
a. Not common on dogs but if infestation occurs, the dog will experience severe
hair loss from scratching and rubbing.
b. Two treatments ____________ days apart with dips, dusts, or spray can control.
4. ______________ are tiny, eight-legged arachnids. Five species cause the most
problems.
a. Demodectic mites ___________________ usually cause problems, but a severe
infestation may result in hair loss, reddening of the skin, and encrusting either in
spots or over the entire body of the dog.
b. Two types of Sarcoptic mites _____________ within the outer layer of skin, are
highly contagious, and result in mange or scabies which cause the animal intense
irritation and itching that may result in the dog injuring itself as it tries to
scratch, chew or rub the skin.
c. Ear mites are _____________________ and are found in the outer ear canal and
other areas of dogs, cats, and rabbits. Ear mites are a common problem and
infected animals may shake their heads. Flea products are effective in treatment
as well as ear drops.
d. Cheyletiella mites _________________________and cause a condition known as
“walking dandruff.” Severe scaling on the back may occur, but itching is not as
severe as with other mite infestations.
5. __________________________are orange-red larvae stages of Trombicula mites that
cause an itchy, red rash on the belly, face, feet and legs.
Disease Notes Day 3
a.
______________________________________________________.
b.
Remain on the skin for a short time and usually _____________________
require treatment other than something to stop the itching.
I.
Poisons affecting small animals
1. __________________________ may cause poisoning if ingested in sufficient amounts.
a.
b.
Organophosphates and carbamate compounds are the main source of
insecticidal poisoning.
Boric acid from roach bait and arsenic from ant traps can also poison animals.
2. __________________________ such as philodendron, dieffenbachia, pothos, and
caladium contain insoluble calcium oxadate crystals that cause irritation to the
mouth and intestinal tract. Other plants like poinsettia, Japanese yew, azalea, and
flower bulbs may also cause mild intestinal upset.
3. Household chemicals or cleaners containing _________________________________
______________________________________________________________________
4. ___________________ such as strychaine and warfarin can cause internal bleeding
and death if ingested in sufficient quantities.
5. Glyphosphate herbicides and arsenic-based ______________________ can poison
pets.
6. __________________________ is a common source of poisoning because it has a
sugary taste that animals readily ingest if the opportunity presents itself. Animals
suffering from antifreeze poisoning may appear drunk and depressed.