Special Report on Diseases of Cattle and on Cattle Feeding

This historic book may have numerous typos, missing text, images, or index. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. 1892. Not illustrated. Excerpt: ... DISEASES OF THE EAR. By M. R. TRUMBOWER, D. V. S., Sterling, 111. Diseases of the ears of cattle are not very common, for the reason, probably, that they are not subjected to the brutality of drivers so much as horses, and that the horns to a great extent protect them against external violence. OTITIS--INFLAMMATION OF THE INTERNAL, EAR. Inflammation of the deep part of the ear is often difficult to recognize in cattle. It may be caused by disease of bone in that region, from blows inflicted by drivers or from injury by other cattle. Occasionally the ear becomes involved in actinomycosis, or the inflammation may be the result of a tuberculous affection. Symptoms.--The animal will hold its head to one side, or shake it, while the ear itself is held immovable. The movement of the jaws in eating usually gives rise to a manifestation of pain; the base of the ear may be feverish and swollen, and very sensitive to the touch. If the inflammation has advanced to a suppurative stage matter will flow from the ear, which generally emits a very offensive odor. Treatment.--At first hot fomentations to reduce pain and fever, fol lowed by a sharp blister below the ear. Landanum, one part to ten parts of sweet oil, may be injected into the ear to relieve pain and to soften the secretions. If there is a discharge from the ear it should be thoroughly washed out by injecting warm soapsnds until all the matter has been washed away, then inject the following mixture twice a day: Sulphate of morphia, 20 grains; water, 1 pint; glycerine, 4 ounces. ABSCESS. Abscesses sometimes form about the base of the ear, either inside or outside, caused by contusions. A serous cyst is found occasionally between the cartilage and the skin on the base of the car, which may be due to a similar...