(17) Tapeworms of Companion Animals

Question 1

(Taenia Hydatigena)

1. aka?
2. DH?
3. IH?
4. usually cause few probelms
5. use cysticercus

Answer 1

1. cysticrecus tenuicollis
2. dogs and wild carnivores
3. pigs, sheep and other ruminants

Question 2

(Taenia Ovis)

1. aka?
2. DH?
3. IH?

Answer 2

Question 3

(Taenia krabbei)

1. aka?
2. DH?
3. IH?

Answer 3

Question 4

Taenia Multiceps

1. aka?
2. adult found where?
3. larvae where?

Answer 4

Question 5

(Other Taenia spp. of dogs and cats)

(for each species give DH, IH, and larval form in IH)

1. T. pisiformis
2. T. serialis
3. T. taeniaeformis

Answer 5

Question 6

(Echinococcus Granulosus)

1. DH?
2. IH?

form of larval stage?

3. what is cycle in NA (what animals)?
4. eggs indistinguishable form other taeniids
5. germinative layer of hydatid cyst (metacestodes) produce numerous protoscolices - aka what?
6. path

as adult?

as hydatid in IH?

hydatid in human (Accidental)?

7. treament

in dogs?

sheep?

human?

8. Control?

Answer 6

1. dogs
2. sheep, goats, pigs, humans

hydatid cysts

3. wolves/dogs –> sheep (humans can get in the way)
4. hydatid sand
5. non

not much - may diable wildlife

pressure necrosis

7. praziquantel

condemend

albendazole early, surgical later

8. public education, mass treatment of dogs, control of livestock slaughtering

Question 7

(Echinococcus Multilocularis)

1. similar to granulosus but uses what as hosts?
2. path

foxes

rodents

human

Answer 7

1. fox and small rodents
2. none

fatal

one of the most lethal (50-70%) parasitic diseases

Question 8

(Diplyidium Caninum)

1. aka what?
2. DH?
3. IH?
4. (proglottids)

how many sets of repro organs?

how many genital pores?

5. path?
6. treatment?
7. control?

Answer 8

1. double pored tapeworm, flea tapeworm, cucumber seed tapeworm
2. dogs, cats (wild felids and canids) in SI

ocassional childre

3. fleas and biting louse (cystocercoid)
4. two

two

5. nothing
6. praziquantel, epsiprantel
7. treat animals, flea control

Question 9

(Mesocestoides spp.)

1. DH?
2. IH?
3. prominent thick walled, barrel shaped what in mature and gravid proglottids?
4. path
5. treatment?

Answer 9

1. dogs, cats (wild of both)
2. 1st - oribatid mite (cysticercoid)

2nd - amphibians, reptieles, rodents, dogs and cats (tetrahyridium)

3. parauterine organ
4. intestinal infections harmless

dogs and cats with tetrathydria –> severe parasitic peritonitis and ascites

5. praziquantel