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Animal Disease 1 > Ticks > Flashcards

Ticks Flashcards

1
Q

What are the 2 classes of ticks called?

A

Hard ticks/Ixodidae
Soft ticks/argasidae

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2
Q

Define transstadial transmission.

A

All life stages occur on that host. Essential for the survival of parasites from mites and hard ticks.

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3
Q

Define transovarial transmission.

A

Vertical transmission to offspring through ovaries.

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4
Q

How is ixodes ricinus identified?

A

Large dark scutum

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5
Q

Which definitive hosts are affected by ixodes ricinus?

A

Mostly sheep
Dear
Cattle
Humans

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6
Q

How many hosts does ixodes ricinus have?

A

3 host tick so long lifecycle

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7
Q

Outline the lifecycle of ixodes ricinus.

A
  1. Adults feed
  2. Drop to ground and lay eggs
  3. Feed on rodent or bird intermediate host
  4. Return to environment
  5. Nymph
  6. Another intermediate host
  7. Environment
  8. Adult
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8
Q

What is the scientific name for marsh/meadow/ornate cow tick?

A

Dermacentor reticulatus

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9
Q

How many hosts does dermacentor reticulatus have?

A

3 host tick

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10
Q

How can dermacentor reticulatus be identified?

A

Patterns across body

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11
Q

What are the definitive hosts of dermacentor reticulatus?

A

Dogs
Cats
Wild mammals

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12
Q

How long is the lifecycle of dermacentor reticulatus?

A

1 year

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13
Q

What is transmitted via dermacentor reticulatus and how?

A

Babesia canis

Transstadial and transovarial transmission within 48-72 hours

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14
Q

What is the scientific name for brown dog/kennel tick?

A

Rhipicephalus sanguineus

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15
Q

Where is rhipicephalus sanguineus found?

A

Heated kennels and houses

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16
Q

How long is the lifecycle of rhipicephalus sanguineus?

A

3 month

17
Q

How is rhipicephalus sanguineus identified?

A

Less patterned than dermacentor reticulatus

18
Q

What does rhipicephalus sanguineus transmit?

A

Babesia canis
Hepatozoom canis
Ehrlichia

19
Q

Name 8 tick spread diseases.

A

Lyme disease
Louping ill
Babesiosis
Anaplasmosis
Pyaemia
Tick borne fever
Canine ehrlichiosis
Tick borne encephalitis

20
Q

How is lyme disease/lyme borreliosis transmitted?

A

Bacterium borrelia burgdorferi by ixodes ricinus

21
Q

What is louping ill and its clinical signs?

A

Infectious ovine encephalitis. In sheep and red grouse.

Incoordination
Tremors
High stepping

22
Q

What is the name of the pathogen causes anaplasmosis?

A

Anaplasma marginale

23
Q

What is the name of the pathogen causes pyaemia?

A

Staphylococcus aureus

24
Q

What is the name of the pathogen causing tick borne fever?

A

Anaplasma phagocytophilium

25
Q

What is the name of the pathogen causing canine ehrlichiosis?

A

Ehrlichia canis

Animal Disease 1 (25 decks)

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