Lab 4 - Coccidiosis of Cattle, Rabbit, Pig and Carnivores

Question 1

Which species affects the large intestines in rabbit?

Answer 1

E. flavescens

Question 2

Which species has pinhead-sized nodules in the ileum?

Answer 2

E. magna

Question 3

What is unsporulated?

Answer 3

Zygote

Question 4

What is found in the faeces of animals infected by Eimeria?

Answer 4

Sporulated oocysts

Question 5

Which method is used for courting oocysts in the faces during an Eimeria infection?

Answer 5

McMaster method

OPG = Oocyst Per Gram of faeces

Question 6

Where do calves usually get heavy infection with Coccidiosis?

Answer 6

In the feed lots and yards

Question 7

Where does the sporogony of Eimeria zuernii take place?

Answer 7

In the external environment

Question 8

At what age are rabbits most susceptible for intestinal Eimeria infection?

Answer 8

1-2 months

Question 9

What form of Eimeria zuernii might appear sometimes in mucous faeces of calves?

Answer 9

Schizonts

Or meroziotes

Question 10

What does the sporulated oocyst of Eimeria stedai contain?

Answer 10

4 sporocysts with 2 sporozoites each

Question 11

What form of oocysts can be found in the fresh faeces on the course of E. stedai infection?

Answer 11

Unsporulated

Question 12

Which animal can be infected by E. intestinalis?

Answer 12

Rabbit

Question 13

What do we see clinically when a rabbit has E. steidai?

Answer 13

Usually a sub-clinical infection

Question 14

Which are the small intestine Eimeria species in the rabbit?

Answer 14

E. intestinalis, E. magna, E. irresidua

Question 15

How do we detect an unsporulated Eimeria oocyst?

Answer 15

Flotation method

Question 16

What is an unsporulated oocyst with regards to Eimeria?

Answer 16

Zygote

Question 17

Species of Eimeria found in the large intestine of the rabbit?

Answer 17

E. piriformis

Along with E. flavescens

Question 18

Age of calves that get infected with Eimeria?

Answer 18

2-6 months old

Question 19

How do you detect E. zuernii in the faeces?

Answer 19

Flotation test. See unsporulated oocysts.

Question 20

Which species of Eimeria can appear as meroziotes in bloody faces?

Answer 20

E. zuernii of cattle

Question 21

How many macro-gametes develop from 1 micro-gamont?

Answer 21

21-30

Question 22

What does the sporulated oocyst of E. stiedai contain?

Answer 22

4 sporocysts each containing 2 sprozoites

Question 23

What is affected in coccidiosis of carnivores?

Answer 23

Small intestine

Question 24

Coccidiosis infects pigs of what age?

Answer 24

8-15 days

Question 25

Coccidiosis of cat?

Answer 25

I. rivolta

Question 26

Who is infected by E. steidai?

Answer 26

Other

Rabbit

Question 27

Which species affects the cattle?

Answer 27

E. zuernii

Question 28

What can you find in fresh faeces?

Answer 28

Unsporulated oocysts

That will later sporulate in the environment

Question 29

In which species can you find E. intestinalis?

Answer 29

Rabbit

Question 30

What kind of extra-intestinal symptoms can occur during Eimeria infection in calves?

Answer 30

CNS signs: Opisthonus, nystagmus, tetanic convulsions

Question 31

What species of Eimeria can appear as a merozoite in the bloody faeces?

Answer 31

E. zuernii

Question 32

What does a sporulated oocyst of E. stiedai contain?

Answer 32

Sporocyst