Cestodes Flashcards
Do cestodes have intermediate hosts?
Yes
Where do adult cestodes live?
In the intestine
What do cestodes look like?
Long flat worms divided into segments
What are the two segments of cestodes?
Scolex and proglottids
What type of worm is dipydium caninum?
Tape worm
How long does dipylidium caninum get?
50cm long
What follow is dipylidium caninum?
Light reddish to yellow
How is dipylidium caninum diagnosed?
Proglottids in feces
What are two things dipylidium can cause?
Malnutrition and perinatal irritation
How is dipylidium caninum controlled? 2
Eliminate intermediate host and treat infected animals
What type of worm is taenia pisiform is?
Tape worm
How long does taenia pisiform is get
200cm
What are three symptoms of taenia pisiformis?
Diarrhea, intestinal obstruction, damage to intermediate host
What is the prepatent period for taenia pisiformis?
2 months
What is the prepatent period for dipylidium caninum?
1 month
How do you control taenia pisiformis?
Prevent access to intermediate host, treat infected dogs
What is hydrated disease?
Disease caused by ingestion of tapeworm eggs
What causes hydrated disease?
Echinococcus granulosus
What is a symptom of hydrated disease in humans?
Looks like a slow growing tumor
What are symptoms of hydrated disease in animals?
Sub clinical
What is the incubation period for hydathodes disease?
Months to years
What is the mortality rate of hydatid diseases?
50-75%
Where does hydatid disease occur?
Rural areas of notthern hemisphere and sheep raising areas of the SW and U.S.
How is hydatid disease diagnosed?
Fecal float and recovery of tape worm after administration of taeniafuge