Its preferred seat is on the bones of the lower and upper jaws, in the parotid salivary gland in the angle of the jaw, and in the region of the throat.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
In tuberculosis, lymphatic glands beneath the parotid glands are sometimes enlarged, thus causing the appearance of enlarged parotid glands.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Tuberculosis and actinomycosis may infrequently be characterized by the lodgment of their parasitic causes in the parotid glands, in which case parotitis may be a symptom of either of these diseases.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler