Protozoans

Question 1

Common blood protozoan transmitted by Boophilus annulatus

Answer 1

Babesia bigemina (Cattle)
Babesia canis (Canine)

Question 2

Common coccidian found in dogs and cats. Very small oocysts are found in stool sample. Can cause diarrhea, especially in puppies and kittens. Often is not treated in adult animals, as they serve little harm to the host

Answer 2

Cystoisospora spp

Question 3

Zoonotic coccidian protozoa that can produce severe diarrhea is not treated

Answer 3

Cryptosporidium

Question 4

Intestinal coccidian of cats that can affect pregnant women

Answer 4

Toxoplasma Gondii

Question 5

Most common in young dogs and cats that are housed together in shelters. Treated with an antibiotic, and usually requires cleaning of area very thoroughly to prevent re-infection.

Answer 5

Giardia
**Trophozoite and Cyst form

Question 6

Intracellular, malaria-like parasites affecting dogs
Blood forms – found in leukocytes

Answer 6

Hepatozoon canis and Hepatozoon americanum

Question 7

A group of obligate intracellular gram-negative bacteria
Anaplasma, Ehrlichia, Wolbachia, and Neorickettsia

Answer 7

Rickettsial Parasites