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1

What is the host spectrum of Fasciola hepatica?

Wide, mostly herbivorous mammals and humans

2

What are the steps of the lifecycle of F. hepatica?

MI - SPO - RE1 - RE2 – CE (Miracidium, Sporocysts, Redia and Cercaria)

3

How is the lifecycle of F. hepatica ?

Indirect

4

Where can you find the adult form of Fasciola hepatica?

In the bile duct and gallbladder

5

Where can you find the juvenile form of Fasciola hepatica?

Penetrates the intestine and migrates to the liver via abdominal cavity

6

What is the primarily intermediate host of F. hepatica?

Galba truncatula (snail)

7

What is the main source of heavy fasciolosis?

Secondary biotopes

8

What is the size of the eggs of F. hepatica?

120-150 μm

9

Which color of the eggs does Fasciola hepatica have?

Golden yellow

10

What does the Fasciola hepatica eggs contain?

Zygote

11

What surrounds the egg of the F. hepatica?

Granulated yolk

12

Zygote containing egg of F. hepatica develops into?

Ciliated larva (miracidium) in water usually within 2 weeks

13

F. hepatica: in the body of snail the first larva turns into?

Bladder-like sporocyst

14

What happens in the cavity of the sporocyst of F. hepatica?

Third larval form develops by asexual budding (paedogenesis)

15

In which stage does the F. hepatica shed their tail?

Cercariae

16

How long takes the migration in the liver parenchyma of F. hepatica?

4-6 weeks

17

Approximately how long is the praepatent period of F. hepatica?

10 weeks

18

What are the definitive hosts of F. hepatica?

All kinds of ruminants, mainly the hollow-horned ones (bovidae)

19

What are the most susceptible species for Fasciola hepatica?

Sheep, goat, rabbit and hare + (artificially: mouse, rat )

20

What are the moderately susceptible species of Fasciola hepatica?

Cattle, deer, roe-deer, moufflon, buffalo and camel + (artificially: guinea pig)

21

What are the least susceptible species for Fasciola heptica?

Horse, pig, dog, cat and humans

22

What can be the symptoms of acute form of Fasciola hepatica?

Rapid weight loss, sudden death

23

What colour are the mucous membranes in case of sub acute Fasciolosis?

Pale

24

What can be the symptoms of sub acute form of Fasciola hepatica?

Severe anemia, bottle jaw

25

What can be the symptoms of chronic form of Fasciola hepatica?

Submandibular edema, cachexia

26

F. hepatica: in case of acute form the young flukes can be found in?

Parenchyma

27

F. hepatica: in case of chronic form the flukes can be found?

In the biliary ducts and gallbladder

28

What are the steps of the lifecycle in rumen fluke?

MI - SPO - RE1 - CE (Miracidium, Sporocysts, Redia and Cercaria)

29

How is the lifecycle of rumen flukes?

Indirect

30

How long is the praepatent period of rumen flukes?

16-18 weeks