There are basically two parasite issues - internal parasites and external parasites.
There are a number of external parasites which can impact on goat health and production. One of the most common of these are lice. There are two types of lice affecting goats. The “blue” or sucking lice that feed on the blood of the animal and the “red” species or biting lice that feed on the surface tissue and scurf.
The sucking lice will cross infect both goats and sheep. The biting lice are breed specific. Always ensure that chemicals used for lice are registered for goats.
There are a number of stomach and intestinal worms that affect goats and include:
Worms can be classified into three main types which correspond to the mechanism they use to cause ill health. They are:
There are two major methods for controlling worms
(Source Australian Goat Notes)