Ectoparasites Flashcards
What main ectoparasites do alpacas get?
Mange mites - chorioptes and scabies
Lice
Flies
Culicoides
What do chorioptes cause?
Pruritus, alopecia and scaling - doesnt burrow
How do you treat mites in camelids?
Moxidectin
What are the main lice types?
Bovicola - chewing
Linognathus - sucking
Haematopinus - sucking
How can chorioptes be treated in goats?
Topical treatment
Systemic - macrocyclic lactones
What causes flystrike?
Blowfly - lucilia
What are the stages of the blowfly life cycle?
Egg - on sheep
Feeding larvae - on sheep
Pupae - in soil
Adult
What prophylaxis can be given to prevent flystrike?
Insect growth regulators
What are the symptoms of louse infection?
Pruritus
Alopecia
Excoriation
Anaemia
How do you treat lice infection?
Spot on/pour on
Macrocyclic lactones
Pyrethroids
Should you use meloxicam for skin disease?
No - no evidence it help with skin disease
Use glucocorticoids - reduces allergic reaction
What is an issue with psoroptic mange treatment?
Problem with resistance to macrocyclic lactones of psoroptes mites
Especially in Belgian blues
How do you treat psoroptic mange in cattle?
4% permethrin pour-on product
Move out of infected housing
What are the main ectoparasites in horses?
Mites - chorioptes
Flies - culicoides
What do culicoides transmit?
Bluetongue virus
Schmallenberg virus
African horse sickness
What are some control measures for culicoides?
Blankets
Remove organic debris and moisture
Fans
Chemical control - topical repellents and pyrethroids
What animal does echinococcus granulosus effect?
Dogs - definitive
Sheep - intermediate
How can you treat echinococcus granulosus?
Praziquantel
What tapeworm is transmitted by fleas?
Dipylidium caninum
What are the most important parasites in dogs in the UK?
Toxocara canis -nematode Angiostrongylus vasorum Ctenocephalides- fleas Mange mites Echinococcus granulosus
What is the most important parasite in cats in the UK?
Toxoplasmosis
What dog parasite can cause abortion?
Neospora caninum
What does toxocara canis cause?
Ascites
Hypoalbuminaemia
Diarrhoea
How can you treat/prevent toxocara canis?
Routine worming
What are the main anthelmintics for dogs?
Benzimidazoles - fenbendazole
Macrocyclic lactones
Praziquantel
How are fleas treated?
Insecticides on environment
eg. Pyrethroids, macrocyclic lactones
Spot ons - Isoxazolines
Vacuuming
How do insect growth regulators/inhibitors work?
Mimic juvenile growth hormone
Prevent fall in natural hormone in flea larvae
Dont kill adults
What is angiostrongylus vasorum?
Dog lungworm
What disease can ticks transmit?
Babesia
Lyme disease - borrelia
What transmits dirofilaria/heartworm?
Mosquitoes
