It is seen in livestock all over the world, usually affecting cattle, sheep and goats.

A wide array of bacterial and viral diseases affect sheep.

Ovine Johne's disease is a wasting disease that affects young sheep.

It was known that D. dendriticum affected sheep, but everything else was a mystery.

But since summer 2008, Morocco is suffering a generalized outbreak with 133 known cases in 129 provinces, mostly affecting sheep.

Although it affects mainly sheep, L. sericata is not host-specific.

This condition may affect cattle, horses, sheep, and many other livestock animals.

At the time, studies were being made of coast disease, which affected sheep, and metabolism in ewes.

Scrapie usually affects sheep around three to five years of age.

Myiasis, known as blowfly strike, commonly affects sheep, especially where conditions are hot and wet.