Fascioloides Magna Flashcards Preview

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Flashcards in Fascioloides Magna Deck (18):
1

common name

deer fluke/ large american liver fluke

2

definitive host

white tailed deer

3

dead end hosts

cattle, mouse, bison, sika deer

4

aberrant host

sheep, goats, roe deer

5

intermediate host

snails

6

adults size

10cm

7

adult characteristics

large
oval

8

egg size

130 micrometers

9

egg characteristics

operculum
yellow/brown

10

life cycle is direct or indirect?

indirect

11

site of infection

liver

12

life cycle in definitive host

cysts forms around fluke
develop to adults
lay eggs

13

_____ flukes wander aimlessly and destructively in liver tissue

juvenile

14

life cycle in dead end host

cyst forms in liver
fluke develops to adult
infection is never patent

15

life cycle in aberrant host

juvenile flukes migrate in liver
death of animal

16

pathogenesis

deer and cattle-minimal
sheep and goats- death

17

diagnosis

detection of eggs in definitive host
dead end and aberrant host- no eggs detected

18

treatment

snail control
Anthelmintics