Protozoa Phylum Apicomplexa Flashcards
Sporozoans
4600 species
all are parasitic
What is the name given to the cyst stage for Sporozoans?
Oocysts
What Sporozoans have veterinary significance
Cystoispora Toxoplasma Cryptosporidium Babesia Eimeria
What is the common term we call Apicomplexa?
Coccidia
What other species is Coccidia used to describe
Cystoisospora spp
Eimeria spp
Cryptosporidium spp
Toxoplasma gondii
Cystoisospora spp
A protozoal parasite of the small intestine of dogs and cats
AKA Isospora
What is the predilection site of Cystoisospora spp
The small intestine
What is the most commonly diagnosed diseases in puppies and kittens?
Coccidiosis
Is coccidiosis a problem in adult dogs?
Rarely
What is the diagnostic stage of coccidiosis and how is it diagnosed?
The oocyst
Fecal floatation
Toxoplasma gondii
The intestinal coccidian of cats
What is the definitive host of Toxoplasma gondii?
Cat
They only shed the oocysts for less than 2 weeks for their entire life
How do we diagnosis Toxoplasma gondii?
Fecal flotation
Immunologic tests
What is fecal flotation looking for?
Cysts
What are the Immunologic tests looking for?
Antibodies
How do humans get a Toxoplasma gondii infection?
Undercooked meat
Unwashed produce
Gardening
Contact with cat feces
Are cats symptomatic for Toxoplasmosis
Usually asymptomatic intestinal infection
Usually a chronic infection
If there is an acute infection of Toxoplasmosis what are the symptoms in cats?
Hepatitis
Seizures
Cachexia
Is it common to find toxoplasma oocytes in infected cats?
No, because cats only shed for 1 to 3 weeks
What are the two ways cats can get Toxoplasmosis?
Ingestion of paratenic host
Ingestion of oocytes from soil or contaminated objects
What are some examples of paratenic hosts that carry Toxoplasmosis
Rodents
Birds
Mutton or pork in raw diet food that contains bradyzoites
What are the three different stages of Toxoplasma gondii?
Oocytes
Tachyzoites
Bradyzoites
Toxoplasma gondii Oocytes
Only develop in and shed by felids
Toxoplasma gondii Tachyzoites
Rapidly dividing tissue stage
Toxoplasma gondii Bradyzoites
Slowly dividing, encysted tissue stage
What is the prepatent period of Toxoplasma gondii dependent on?
How the cats get Toxoplasma
The prepatent period when the cat ingests raw meat
3-10 days after tissue cysts
The prepatent period when the cat ingests oocyte from the environment?
19-48 days
How long does it take for Toxoplasma eggs to become infected after they are shed by the cats?
1 to 5 days
Survive for months to years
How does a human fetus contract toxoplasmosis?
Through the placental connection with its infected mother
Antibody testing in humans and cats
Check for antibodies, prior to exposure
Can’t accurately predict oocyst shedding
Babesia canis
An example of a hemoprotazoan
Intracellular parasite of RBCs of dogs
What else is the pear-shaped body called?
Piroplasm
How do you diagnosis Babesia?
Stained blood smear
Inclusions on the RBC
What is the intermediate host of Babesia?
Ticks
