A rough, dry, dull hair coat may indicate nutritional or parasite problems. External parasites may be a problem. The sheep's wool may be lost in patches with fever, generalized disease, or nutritional deficiencies. External parasites may also be a problem in sheep. Wood loss may be seen as a sign of fever.
Crusty lips indicate a virus disease, contagious ecthyma.
Internal parasites and anemia are a common problem of sheep and goats. Are they inflamed and reddened. These animals can move their mouths quickly. The lower permanent incisors of sheep erupt at the following times. Goats aging is not as precise.