Blagburn Protozoans & Fleas

Question 1

Which protozoans are piriform shaped?

Answer 1

Trichomonads and giardia spp.

Question 2

Which structure is unique to trichomonads?

Answer 2

Costa

Question 3

What causes bovine genital trichomoniasis?

Answer 3

Tritrichomonas foetus

Question 4

Ways to diagnose T. foetus

Answer 4

culture organisms; recovery of organisms in aborted fetuses

Question 5

What give Tritrich…its name?

Answer 5

3 anterior flagella

Question 6

Ways to diagnose Feline trichomoniasis

Answer 6

direct fecal smear, culture, PCR, colonic biposy

Question 7

what causes feline trichomoniasis?

Answer 7

Tritrichomonas blagburni

Question 8

What causes avian trichomoniasis?

Answer 8

Trichomonas gallinae

Question 9

Causative agent for “blackhead” or “infectious enterhepatitis”

Answer 9

Histomonas meleagridis

Question 10

Transmission of H. meleagridis

Answer 10

via the eggs of Heterakis gallinarum

Question 11

Does H. meleagridis utilize a paratenic host? What?

Answer 11

Yes–earthworms

Question 12

3 forms of H. meleagridis; which are flagellated?

Answer 12

Luminal (flagellated)
transitional (non-flagellated)
Tissue (non-flagellated)

Question 13

Two forms of giardia

Answer 13

Trophozoite

Cyst

Question 14

Which stage of giardia can be recovered in diarrhea? Formed stools?

Answer 14

trophozoites

cysts

Question 15

Ways to diagnose giardia?

Answer 15

Fecal (direct or float)
—float for cyst recovery
ELISA (snap test)

Question 16

Sporulation pattern of Eimeria? Isospora/cystoisospora?

Answer 16

Eimeria– 4 sporocysts, with 2 sporozoites each

Isos/cysto– 2 sporocysts with 4 sporozoites each

Question 17

T/F Cystoisospera is more likely to use a paratenic host and have latent stages in host

Answer 17

True

Question 18

Which genus of coccidia is found in dogs and cats?

Answer 18

Cystoisospora

Question 19

Which spp of coccidia are found outside the intestines? What are their hosts?

Answer 19

1) Eimeria truncata
- –kidney of geese
2) Eimeria stiedai
- –liver of rabbits

Question 20

Who does Eimeria tenella paraistize?

Answer 20

Chickens

Question 21

A fundic exam can be useful for diagnosing?

Answer 21

Toxoplasma gondii in cats

Question 22

Ways to diagnose T. gondii

Answer 22

biposy, serology, fecal floatation (on felines only)

Question 23

Which form of transmission is principal source of infection for N. caninum?

Answer 23

Transplacental

Question 24

Diagnosing Neospora caninum?

Answer 24

Hx & clinical signs

serology

Question 25

What’s unique about cryptosproidium life cycle?

Answer 25

All development occurs along brush border (not in cell)

Question 26

What disease signs are seen in chicken/turkeys with crypto?

Answer 26

respiratory disease

Question 27

Which protozoan is heteroxenous?

Answer 27

Sarcocystis spp.

Question 28

Diagnosing sarcocystis spp?

Answer 28

clinical signs

schizonts in endothelial cells