Mange is caused by mites which tunnel into the fox's skin, causing irritation and loss of fur. Infections occur as a result of the growing eggs and excrement in the the skin, and caking or crusting occurs particularly around the eyes and nose of the infected fox.
(Mange; is caused; by mites) (caking or crusting; occurs; L:particularly around the eyes and nose of the infected fox) (mites; tunnel; into the fox's skin)
Mange caking or crusting mites
is caused occurs tunnel
by mites
L:particularly around the eyes and nose of the infected fox
into the fox's skin