2- Principles of ectoparasitic control

Question 1

What is the aim of ectoparasite control

Answer 1

Aiming for control

Question 2

What stage of a parasites lifecycle are we aiming to intervene at?

Answer 2

Dependent on life cycle
Commonly adult but not always the case

e.g. blowfly = ineffective to kill adults so kill larvae ‘maggots’

Question 3

Difference between neurotoxin & insect growth regulators effects on parasites

Answer 3

Neurotoxins = kill parasite
Insect growth regulators = Arrest parasite development

Question 4

Name 2 host factors that are important when considering anthelmintics

Answer 4

Age restrictions
Meat/Milk withdrawal periods - production animals
Species specifics
Mode of application