Protozoa Overview and Veterinary Significance

Flashcards covering important concepts, classifications, and veterinary significance of protozoa, including key examples and their clinical implications.

What are the four main classification groups of protozoa based on their movement/structures?

Flagellates, Amoebas, Apicomplexans, Ciliates.

What are the two forms of Flagellates?

Trophozoites and cysts.

Which protozoan causes intestinal infections in canines and felines?

Giardia spp.

What is the life cycle stage of Giardia spp. that is infective?

Cysts.

What is unique about Bovine Trichomonosis compared to Giardia?

Bovine Trichomonosis does not produce cysts; the trophozoite is the infectious stage.

What are the primary clinical signs of Trichomonosis in cows and heifers?

Infertility, spontaneous abortion, and potential mucopurulent discharge.

Which protozoan is known to cause coccidiosis in dogs and cats?

Cystoisospora.

What is the definitive host of Toxoplasma gondii?

Felines (cats).

What is the most significant zoonotic concern associated with Toxoplasma gondii?

Pregnancy complications such as hydrocephaly in the fetus.

What are the clinical signs of Avian Trichomonosis?

Yellow, caseous nodules in the mouth, difficulty swallowing, and drooling.