Davainea proglottina

Question 1

IH of Davainea proglottina

Answer 1

Terrestrial snail and slugs

Question 2

FH of Davainea proglottina

Answer 2

Poultry – turkey, guinea fowl, pigeons

Question 3

Location of Davainea proglottina

Answer 3

duodenum

Question 4

Morphology of Davainea proglottina

Answer 4

Small – only 4-9 segments. Scolex: 80-90 small hooks in 3-6 rows. Suckers have 4-5 rows of hooks

Question 5

Pathogenesis of Davainea proglottina

Answer 5

Most pathogenic. Damage on intestinal mucosa with their heavily armed scolex.
Parasites deep embedded between villi of duodenum.
Causing necrosis and hemorrhagic inflammation.

Question 6

CS of Davainea proglottina

Answer 6

Weight loss, rapid breathing, dry and ruffled feathers, necrotic, hemorrhagic enteritis, can be fatal

Question 7

DX of Davainea proglottina

Answer 7

Coprological, post-mortem: adult tapeworms in intestine

Question 8

Tx of Davainea proglottina

Answer 8

Praziquantel, Niclosamide

Question 9

Control of Davainea proglottina

Answer 9

Sanitation

Question 10

LC of Davainea proglottina

Answer 10

1. Gravid segments of the adult tapeworms are released after 13 days in the chicken’s intestine – Eggs are released into the environment.
2. Slugs or snails ingest the tapeworm eggs, and the cysticercoids develop inside for
   26-28 days.
3. The chickens eats the slugs and the cysticercoids excyst in the duodenum.

Question 11

Metacestode of Davainea proglottina

Answer 11

Cysticercoid

Question 12

Eggs are located in…

Answer 12

coccon