212 SWINE DISEASES 



Treatment. Proper dieting and the provision of 

 good sanitary quarters must first be considered. The 

 use of castor oil to clean the bowel of offending material 

 is a good practice. Intestinal antiseptics, too, may be 

 used to good advantage. 



Necrotic Rhinitis 



This condition is usually associated with necrosis of 

 the snout and frequently also of the lips, and is of rather 

 common occurrence in small pigs. It is one of the con- 

 ditions that constitutes the disease called sniffles. Sniffles 

 also includes catarrhal rhinitis, particularly those cases 

 in which deformity of the snout and nasal cavities occurs, 



Fiff. 24. NECROBACII/LOSIS. 



and those cases of rickets in which there is involvement 

 of the nasal and facial bones, causing more or less 

 deformity. 



Lesions. Necrobacillosis of the schneiderian mucous 

 membrane and the snout is characterized by the same 

 lesions that are characteristic of necrotic stomatitis, 

 except . that here bone tissue is frequently involved, 

 resulting in fibrinous proliferation and deformity of the 

 parts. 



Symptoms. The affected animals have a tendency 

 to root considerably in their food, but they eat little. 

 The characteristic symptom consists of a peculiar blow- 

 ing noise. The animals sneeze, and occasionally expel 



