Choanotaenia spp. (2) Flashcards
1
Q
What are the intermediate hosts?
A
Beetles
Houseflies
Arthropods
2
Q
Describe adults
A
10-25 cm
3
Q
Describe eggs
A
Round to oval
25-50 micro m long
4
Q
Explain life cycle
A
PPP: 14-21 days
More prevalent in Africa
Eggs pass in feces
Eggs ingested by intermediate hosts and develop to cysticercoids (infective stage)
Intermediate host ingested by final host
Cysticercoids develop to adults in small intestine
5
Q
What is the site of infection?
A
Small intestine
6
Q
Describe the Pathogenesis
A
Weight loss in infected poultry
Pathogenic if in large numbers
7
Q
How do you diagnose?
A
Necropsy is most reliable method
Adults should be sectioned for identification which requires high level of expertise
Eggs may be seen in fecal examination
- Intermittent and do not float well
8
Q
What are the final hosts?
A
Fowl
