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CVSOH BVSc3 > Ectoparasites > Flashcards

Ectoparasites Flashcards

1
Q

What main ectoparasites do alpacas get?

A

Mange mites - chorioptes and scabies
Lice
Flies
Culicoides

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2
Q

What do chorioptes cause?

A

Pruritus, alopecia and scaling - doesnt burrow

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3
Q

How do you treat mites in camelids?

A

Moxidectin

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4
Q

What are the main lice types?

A

Bovicola - chewing
Linognathus - sucking
Haematopinus - sucking

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5
Q

How can chorioptes be treated in goats?

A

Topical treatment

Systemic - macrocyclic lactones

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6
Q

What causes flystrike?

A

Blowfly - lucilia

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7
Q

What are the stages of the blowfly life cycle?

A

Egg - on sheep
Feeding larvae - on sheep
Pupae - in soil
Adult

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8
Q

What prophylaxis can be given to prevent flystrike?

A

Insect growth regulators

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9
Q

What are the symptoms of louse infection?

A

Pruritus
Alopecia
Excoriation
Anaemia

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10
Q

How do you treat lice infection?

A

Spot on/pour on
Macrocyclic lactones
Pyrethroids

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11
Q

Should you use meloxicam for skin disease?

A

No - no evidence it help with skin disease

Use glucocorticoids - reduces allergic reaction

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12
Q

What is an issue with psoroptic mange treatment?

A

Problem with resistance to macrocyclic lactones of psoroptes mites
Especially in Belgian blues

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13
Q

How do you treat psoroptic mange in cattle?

A

4% permethrin pour-on product

Move out of infected housing

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14
Q

What are the main ectoparasites in horses?

A

Mites - chorioptes

Flies - culicoides

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15
Q

What do culicoides transmit?

A

Bluetongue virus
Schmallenberg virus
African horse sickness

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16
Q

What are some control measures for culicoides?

A

Blankets
Remove organic debris and moisture
Fans
Chemical control - topical repellents and pyrethroids

17
Q

What animal does echinococcus granulosus effect?

A

Dogs - definitive

Sheep - intermediate

18
Q

How can you treat echinococcus granulosus?

A

Praziquantel

19
Q

What tapeworm is transmitted by fleas?

A

Dipylidium caninum

20
Q

What are the most important parasites in dogs in the UK?

A 
Toxocara canis -nematode
Angiostrongylus vasorum
Ctenocephalides- fleas
Mange mites
Echinococcus granulosus
21
Q

What is the most important parasite in cats in the UK?

A

Toxoplasmosis

22
Q

What dog parasite can cause abortion?

A

Neospora caninum

23
Q

What does toxocara canis cause?

A

Ascites
Hypoalbuminaemia
Diarrhoea

24
Q

How can you treat/prevent toxocara canis?

A

Routine worming

25
Q

What are the main anthelmintics for dogs?

A

Benzimidazoles - fenbendazole
Macrocyclic lactones
Praziquantel

26
Q

How are fleas treated?

A

Insecticides on environment
eg. Pyrethroids, macrocyclic lactones
Spot ons - Isoxazolines
Vacuuming

27
Q

How do insect growth regulators/inhibitors work?

A

Mimic juvenile growth hormone
Prevent fall in natural hormone in flea larvae
Dont kill adults

28
Q

What is angiostrongylus vasorum?

A

Dog lungworm

29
Q

What disease can ticks transmit?

A

Babesia

Lyme disease - borrelia

30
Q

What transmits dirofilaria/heartworm?

A

Mosquitoes

CVSOH BVSc3 (60 decks)

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