Alpacas are suscpetible to similar diseases as sheep and cattle.
Liver fluke is an internal parasite that can infect and damage the livers and reduce the overall productivity of sheep, cattle, horses, pigs, goats, alpacas and deer.
Grass seeds affect cattle and dogs, but are a particular problem in sheep. The seeds ruin fleeces and skin, cause eye and ear problems and can even penetrate muscle.