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Parasitology - Ectoparasites > Ticks of dogs and cats > Flashcards

Flashcards in Ticks of dogs and cats Deck (21)
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1
Q

Ticks can be soft ticks or hard ticks. What class and subclass are ticks?

A

Arachnids (NOT insects)

Acari

2
Q

What month has the highest tick carry?

A

June

3
Q

What is the importance of hard ticks?

A
Transmits pathogens (tick-borne diseases, all zoonotic)
Reduces animal production
4
Q

What do ticks feed on? What is the reservoir host?

A

Blood

Dogs

5
Q

What do ticks release to increase their blood consumption?

A

Vasodilators

Anticoagulators

6
Q

What ticks do we need to know (4 species)?

A

Ixodes ricinus
Ixodes hexagons
Rhipicephalus sanguineus
Dermacentor reticulatus

7
Q

What morphological features do Ixodes ricinus?

A

2 pales either side of hypsotome

8
Q

When does Ixodecus ricinus activity peak? What do they do on hot days?

A

Spring and Autumn

Take refuge in undergrowth

9
Q

What habitat is Ixodes ricinus typically found in? How long is their life cycle?

A

Wooded area and pastures

3 YEARS

10
Q

What tickborne diseases do Ixodes ricinus transmit?

A

Lyme’s disease
Louping ill
Red water (cattle)

11
Q

What is Ixodes hexagonus known as? Is it a vector of disease?

A

Hedgehog tick

No

12
Q

What is Rhipicephalus sanguineus also known as? What is a distinguishing feature?

A

Brown dog tick

Lateral projections on false head

13
Q

Where do female Rhipicephalus sanguineus deposit their eggs?

A

Crevices and cracks of kennels

14
Q

Huge numbers of Rhipicephalus sanguineus can infest one dog. What does it transmit?

A

Babesiosis

Ehrlihciosis

15
Q

Where on the body is Rhipicephaus found?

A

Ears
Interdigital spaces
Armpit (Axilla)

16
Q

What is the Dermacentor reticulatus tick also known as? How is it distinguished?

A

Meadow tick
Silver/grey sputum (patterned)
Club shaped pulps

17
Q

What does Dermacentor reticulatus transmit? Is it serious?

A

Canine babesiosis

Can be fatal

18
Q

What climate does Dermacentor reticulatus prefer?

A

Cool, wet climate

19
Q

Babesiosis is spread by which ticks?

A

Rhipicephalus sanguineus

Dermacentor reticulatus

20
Q

What drugs are often used in spot ons for tick control?

A

Permethrin
Imidacloprid
Isoxazolines - e.g. afoxoalner, fluralaner

21
Q

Why are isoxazolines used for ticks? Are they 100% effective?

A

Fast kill
Prevent pathogen transmission
No drug is 100% effective