Protozoa Parasites Flashcards
Isospora sp appearance?
Only the “Oocysts” are observed.
Round/oval shaped with a clear outer ring surrounding a grayish center
*Looks like a hard boiled egg cut in half
Isospora sp adults like to live?
In the small intestine where they destroy the epithelial cells as they reproduce which causes the bloody diarrhea
Isospora sp diagnosis
Oocysts in the feces.
Fecal Smear
Fecal Float
Isospora sp is common in?
Puppies with diarrhea
Eimeria spp appearance
Only Oocysts are visible in the stool. Oval/round shape w/ clear outer ring surrounding a grayish center with a small operculum on one side.
Eimeria spp diagnosis
Fecal Float
Giardia spp 2 forms?
Oocyst: Non motile form
Trophozoite: Motile Form
Is Giardia spp zoonotic?
Yes
Giardia spp motile form lives where?
Trophozite lives in the small intestine
Giardia spp is transmitted?
Ingestion of contaminated feed and/or water
Giardia spp diagnosis
Oocyst is passed in the feces.
Fecal Direct Smear w/ Iodine
Snap Test/Fecal Antigen test
Giardia spp treatment?
Metronidazole / Flagyl
Giardia spp causes what disease?
Giardiasis
Giardiasis syndrome?
Nausea, vomiting, diarrhea, abdominal pain, & bloating
Giardiasis incubation period?
3-35 days
How to prevent Giardiasis in an emergency?
Boil contaminated water by adding 2-4 drops of bleach or 10 drops of 2% tincture of iodine to each liter of water & let sit for at least 20 minutes.
Sarcocystosis is?
A disease caused by a protozoan parasite found in beef and/or pork
Sarcocystosis is caused by which organism?
Sarcocystosis spp
Sarcocystosis incubation period?
2 weeks
Sarcocystosis transmission
Ingestion of infected raw or undercooked beef or pork.
Ingestion of oocysts in human feces
Sarcocystosis diagnosis
Fecal Float - Looking for Oocysts
Sarcocystosis prevention?
Prevent contamination of feed w/ human feces
Babesia canis
Blood borne parasite
Babesia canis diagnosis
Blood smear under oil immersion
Babesia canis can cause
Hemolytic anemia
Babesia canis intermediate host
Tick
Babesia canis definitive host
Dogs
Is Cryptosporidiosis zoonotic?
Yes
Cryptosporidium parvum is the causative organism for what disease?
Cryptosporididiosis
Cryptosporidium spp definitive host?
Cattle, Sheep & Humans
Cryptosporidium spp is diagnosed how?
Oocysts in a fecal flotation
Cryptosporidium parvum infections cause what symptoms in animals?
Watery diarrhea in calves 1-2 weeks of age
Cryptosporidiosis incubation period
3-7 days
Cryptosporidiosis is transmitted by?
Ingestion of oocysts passed in animal and/or human feces
Toxoplasmosis is?
A protozoan disease transmitted from cats to humans
The causative organism for Toxoplasmosis is?
Toxoplasma gondii
Toxoplasmosis zoonotic?
Yes
Toxoplasmosis clinical signs/symptoms in animals?
Subclinical. Abortion in sheep’s, pigs & goats
Toxoplasmosis in humans?
Asymptomatic. Cardiac, pulmonary, CNS disease & birth defects
Toxoplasmosis is transmitted by?
Ingested of oocysts in cats feces and/or ingestion of cysts from infected meat
Toxoplasmosis incubation period?
1-4 weeks. Average 7-14 days
Toxoplasmosis is diagnosed
Serology