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Para- Giraffe PQ's > Coccidia of chicken and geese > Flashcards

Coccidia of chicken and geese Flashcards

1
Q

Where does the merozoite develop?

A

Inside schizont

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2
Q

How many cells can be infected by a merozoite of Eimera?

A

1

gamont contains many merozoites

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3
Q

How many gamonts can develop from one schizont?

A

Many

one gamont is made up of many merozoites

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4
Q

How many epithelial cells can be infected by the content of one schizont of Eimera?

A

Many

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5
Q

How can we recognise chicken coccidia by species in the simplest way?

A

Based on necroscopy findings

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6
Q

In order to identify the species of a sporulated oocyte, what of the following is needed

A

Size of oocyte

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7
Q

What does the unsporulated oocyst contain?

A

Zygote

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8
Q

What does the sporulated oocysts contain?

A

Sporocysts

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9
Q

Where does the sporozoite develop?

A

In the oocyst

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10
Q

Where does the sporogony of Eimera maxima take place?

A

In the outer environment

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11
Q

Which animal species can be infected by Eimera acervulina?

A

Chicken

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12
Q

Where does the sporogony of Eimera acervulina take place?

A

In the outer environment

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13
Q

Where do the Eimera acervulina gamonts develop?

A

Duodenum and jejunum

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14
Q

What can we observe on the surface of mucosa in case of E. necatrix infection?

A

Unclotted blood

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15
Q

Where does the sporogony of Eimera brunetti takes place?

A

In the outer environment

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16
Q

Where do the Eimera brunetti schizonts develop?

A

In the lower part of the intestine

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17
Q

Where do the Eimera tenalla schizonts develop?

A

Caecum

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18
Q

Which symptom does not appear in case of renal coccidiosis?

A

Bloody faeces!

Does develop: weakness, torticollis, paralysis

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19
Q

Where is the E. truncata primarily located?

A

Renal tubules

20
Q

Eimeria labbeanna occurs in?

A

Small intestine of pigeon

21
Q

What does the sporulated oocyst of coccidiosis contain?

A

4 sporocystes and 2 sporozoites

22
Q

How many epithelial cells can become infected by 1 Eimeria oocyst at the beginning of infection?

A

8 cells

4 sporocysts with 2 sporozoites each

23
Q

How many cells can be infected by the content of one Eimeria oocyst

A

8

24
Q

How many epithelial cells can be infected by the content of one Eimera sporocyst?

A

2

one sporocysts contains 2 sporozoites

25
Q

How many macrogametes can develop from one macrogamont?

A

1

26
Q

The correct order in the life cycle of Eimera?

A

Sporogony (in the outer environment),
schizogony (in intestinal cells)
gametogony (in intestinal cells)
Sporogony of new oocysts in the outer environment

27
Q

Which species of Eimera are haemorrhagic?

A

Tenella, necatrix and brunetti

28
Q

Which species of Eimera are not haemorrhagic?

A

maxima, mitis, acervulina, praecox

29
Q

Which 3 species are not characterized by blood in the intestines?

A

mitis, acervulina, praecox

30
Q

Which method do you not use to identify the species in the chicken coccidosis?

A

McMaster method

31
Q

Time lapse from infection of host to apperence of parasite sexual product in faeces is called?

A

Praepatent period

32
Q

During gametogony when the merozoites develop into the female gametocytes they are called?

A

Macrogametocytes

33
Q

Which animal species can be infected by Eimera maxima?

A

Chicken

34
Q

What do you find on mucosa during an infection with E. maxima?

A

Patechia

Also on the serosa

35
Q

Which statement is true:

A

E maxima has a 30x20 oocyst that is characteristic

36
Q

Size of oocyte can be used as identification for which of these species?

A

E. maxima or ”other” (oocysts of other species are not characteristic to identify species)

37
Q

Which has slightly orange/salmon pink exudate in lumen?

A

E. maxima

38
Q

Where does the schizogony of Eimera acervulina take place?

A

In the epithel of duodenum and jejunum

39
Q

Which one has discrete white foci or transverse bands which are ladder-like?

A

E. acervulina

40
Q

Where do schizonts of Eimeria necatrix develop?

A

Jejunum and ileum

41
Q

Animals infected by E. brunetti?

A

Chickens

42
Q

Which is not true

A

E. brunetti is found in the duodenum

43
Q

Which animal species can be infected by Eimera tenella?

A

Chicken

44
Q

Where do schizonts of E. mitis develop?

A

In the jejunum

45
Q

In the goose what species of Eimeria affects the kidneys?

A

E. truncata

46
Q

Which of the following is a symptom of E. truncata?

A

Torticollis

Para- Giraffe PQ's (18 decks)

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