Ectoparasites

Ectoparasites are the organisms which live on the external surface or skin of the animal for food and shelter.

Mostly are controlled on a flock/herd wide basis. This means that when one animal is diagnosed with external parasites, a dip, dust, or spray is used to treat the problem that animal as well as the entire flock/herd.
Different productus are used to treat ticks, mites and lice etc. some of them are given below along with the doses:

Active Ingredient	Effective Against	**Treatments
*Malathion	Mites, lice, keds	0.5% spray; 4% dust
*Lime-sulfur	Mites, lice, keds	2-5% dip
*Coumaphos	Mites, lice, keds	0.05-0.3% spray or dip; 0.5%-1% dust
*Phosmet	Mites, lice, keds	0.15-0.25% dip
*Methoxychlor	Mites, lice, keds, ticks	0.5% spray or dip; 5% dust