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Parasitology - Protozoa > Eimeria > Flashcards

Eimeria Flashcards

1
Q

Morphology of Oocyst of Eimeria:

A

4 Sporocysts each with 2 Sporozoits
-is either unsporulated or sporulated

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2
Q

What are the 3 phases of Eimerias life cycle:

A
  • Sporogony = Exogenous
  • Merogony/Schizogony = Endogenous
  • Gamogony = Endogenous
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3
Q

Describe the Life cycle of Eimeria:

A

Monoxenous-Only in one host

External environment
1. Sporogony occurs (asexual), where Oocysts “sporulate” or become infective (in right conditions)
2. Oocyst is ingested

In the host
1. Sporozoite enters the intestinal cells of the host becoming a trophozoite and multiply
2. Eventually producing first genteration Merozoites, that then enter the cells of the host
3. A second generation of Merozoites enering the host cells again
4. Becoming either Male (microgametocyte) or Female (macrogametocyte)
5. Fertilization, the male (microgametocytes) travel to a female (macrogametocyte) forming a Zygote within the Oocysts
4. Infected host sheds the Oocysts containing a Zygote that undergoes sporulation in the environment

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4
Q

What are the main species of Eimeria in Chickens: (4)

A
  • E. tenella
  • E. necatrix
  • E. acervulina
  • E. maxima
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5
Q

What are the main species of Eimeria in Turkeys: (2)

A
  • E. adenoides
  • E. meleagrimitis
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6
Q

What are the main species of Eimeria in Pigeon: (2)

A
  • E. columbarum
  • E. labbeana
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7
Q

What are the main species of Eimeria in Geese: (2)

A
  • Eimeria anseris
  • Eimeria truncata (affect kidney)
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8
Q

What are the main species of Eimeria in Ducks: (1)

A
  • Eimeria danailovi
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9
Q

What are the main species of Eimeria in Rabbits: (3)

A
  • Eimeria stiedai (epithelium of the bile ducts)
  • Eimeria magna
  • Eimeria intestinalis
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10
Q

What are the main species of Eimeria in Hare: (2)

A
  • Eimeria europaea
  • Eimeria hungarica
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11
Q

What are the main species of Eimeria in Horses: (1)

A
  • Eimeria leuckarti
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12
Q

What are the main species of Eimeria in Bovine: (3)

A
  • Eimeria zuernii
  • Eimeria bovis
  • Eimeria elipsoidalis
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13
Q

What are the main species of Eimeria of Small Ruminats: (9)

A
  • Eimeria intricata
  • Eimeria ovina (bakhensis)
  • Eimeria parva
  • Eimeria ovinoidalis
  • Eimeria ninakohlyakimovae
  • Eimeria caproovina
  • Eimeria arlonigi
  • Eimeria caprina
  • Eimeria christenseni
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14
Q

What are the main species of Eimeria of Pigs: (4)

A
  • Eimeria debliecki
  • Eimeria neodabliecki
  • Eimeria scabra
  • Eimeria suis
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15
Q

What are the main species of Eimeria in Mice: (2)

A
  • Eimeria falciparum
  • Eimeria ferrisi
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16
Q

What are the main species of Eimeria in Rats: (2)

A
  • Eimeria contorta
  • Eimeria nieschulzi
17
Q

Diagnostic methods of Eimeria:

A
  1. Flotation technique
    -with Breza flotation solution for rabbit, ruminant
    -with Kosak-Magra flotation solution for chicken

Parasitology - Protozoa (19 decks)

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