Severe pain in sheep is associated with conditions such as foot rot, an
extremely painful and contagious condition which causes the foot to rot away; or mastitis, an
inflammation of the udder in ewes caused by injury or bacterial infection.
Advanced dental disease can lead to tooth root abscesses, which are
extremely painful, oro - nasal fistulas, tooth fractures, blindness (due to
inflammation of the roots close to the eye), oral cancer, and osteomyelitis (infection of the jaw bone).