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→Points to Consider When Choosing an Ectoparasiticide
When choosing an ectoparasiticide treatment for a particular animal it is always key to have in mind what animal you are dealing with, what is the main parasite problem, what sort of environment does the animal reside in and how much owner compliance do you think there will be. It is also important to understand the following properties of your drug options:
When choosing an ectoparasiticide treatment for a particular animal it is always key to have in mind what animal you are dealing with, what is the main parasite problem, what sort of environment does the animal reside in and how much owner compliance do you think there will be. It is also important to understand the following properties of your drug options:
*
* '''Knock-down''' - the immediate effect on the parasites at the initial treatment. It is essentially the curative effect providing immediate relief.
* '''Persistent Efficacy''' - if the product has any residual efficacy and how long it is capable of protecting the animal from re-infestation. This may result from binding to the skin or hair shaft, or from residing in a body reservoir, or form a special formulation of the drug.
* '''Speed of Kill'''
* '''Repellenct''' - how readily the product repells parasites from landing or feeding on the host. This can be provided by a either a repellent vapour phase of the drug, or from a contact repellency.
* '''Antifeeding effects''' - the combined or singular effects of repellency, quick knock-down and behavioural changes can reduce the oppurtunity for a parasite to bite and feed.
* '''Spectrum of Activity''' - how many different species and stages of the life-cycles does the product act upon.
* '''Ovicidal Activity''' - The ability of some products to affect the fertility of parasite eggs.
* '''Larvicidal Activity''' - is the product active on the animal or in the environment. Which one you desire will depend on the parasites involved and also the host species.
==Application==