Cysticercus tenuicollis

Question 1

What is it?

Answer 1

Larval stage of taenia hydatigena
Canine and feline heart worm
Sheep are IH

Question 2

What do lesions look like?

Answer 2

Found on liver/diaphragm
Small sacs of fluid

Question 3

Result of PMI

Answer 3

Partial rejection of liver
Category 2

Question 4

Prevention

Answer 4

Keep dogs away from offal/carcasses
Treat dogs monthly with praziquantel

Question 5

Life Cycle

Answer 5

1. Eggs passed in faces by host
2. Eggs ingested by sheep from pasture
3. Oncospheres travel to help tic protal system and become cysticerci
4. Grow rapidly on liver parenchyma
5. Dogs infected by ingesting contaminated carcasses