RVT - Protazoa Flashcards
What phyla do Cystoisospora, Toxoplasma gondii and Cryptosporidium belong to?
Apicomplexa
What phyla does Balantidium coli belong to?
Ciliophora
What is the common name for Cystoisospora?
Coccidia
What coccidia will we typically find in dogs?
Isospora canis
Isospora ohioensis
What cystoisospora will we typically find in cats?
Isospora felis
Isospora rivolta
What is the PPP for isospora?
1 week
What are the clinical signs of a coccidia infection?
Watery diarrhea sometimes with blood.
Puppies and kittens can become dehydrated and die
What is the mode of infection for coccidia?
Dog or cat ingests sporulated oocyst. 8 sporozoites are released and invade intestinal epithelium.
What phyla do Giardia and Tritrichomonas belong to?
Sarcomastigorophora
What condition is Toxoplasma gondii linked to in humans?
Recklessness/Inhibition
Where is Toxoplasma gondii found in its definitive host?
Small intestines of the cat
What is the intermediate host of Toxoplasma gondii?
Many warm blooded vertebrates
What are 4 ways a human could be infected by Toxoplasma gondii?
Fecal / Oral
Undercooked meat
Transplacentally
Transmammary ( questionable)
What is the suggested treatment for Toxoplasma gondii?
Clindamycin
How is T. gondii diagnosed?
PCR
IgG and Igm titres
Note- Vial and centrifugal methods not reliable
How many days before Toxoplasma gondii oocysts become infective?
1-5 days
What is the leading cause for abortion in small ruminants?
Toxoplasma gondii
What is the most common definitive host for Crytosporidium?
Calves ( but can also be found in pigs and humans)