INFLAMMATION OF THE UDDER 



211 



and upper jaw may be satisfactorily treated, but when the 

 bony tissue is diseased treatment is of less value. Potassium 

 iodide, administered in the form of a drench once a day until 

 symptoms of iodine poisoning O'Ccur, has proved to be quite 

 beneficial in the treatment of this disease. Abscesses located 

 externally in the region of the head and neck require early 

 attention in order to effect a cure. Operations of this kind can 

 only be undertaken by skilled veterinarians. 



Fig. 72. — Cow badly affected with lumpy jaw, unthriftiness due to the mechanical difficulty 

 in eating. (Courtesy of M. H. Reynolds.) 



INFLAMMATIOH" OF THE UDDEE 



Mammitis is the veterinarian's name for inflammation of 

 the tidder. Aggravated cases of garget may at times terminate 

 in active inflammation. Mammitis may occur also directly in 

 connection vi^ith injuries, such as blows on the udder with clubs, 

 horns, or feet, or from nails in the floor. Ovei^feeding, ex- 

 posure to extreme changes of weather, indigestion, and insuffi- 

 cient stripping of the udder during milking may also cause 

 the udder to become inflamed. 



Symptoms. — In cases of mammitis following exposure, the 

 early symptoms noted consist of spells of shivering. The tail. 



