6o DISEASES OF. SWINE 



tating on the long axis of the body, running straight 

 ahead and falHng on the side, or rolling over and 

 over. When caused by the cysticercus, the hog 

 turns to the side on which the parasite lies, and the 

 attacks are apt to occur at any time. 



Treatment. — As vertigo is practically a symptom 

 of disease, the treatment used is the same as given 

 in the discussion of such diseases as it may be 

 associated with. A sloppy diet should be fed. In 

 cases where the attacks occur at intervals, it is best 

 to destroy the animal and not attempt treatment. 

 Hogs affected in this way become very unthrifty. 



EPILEPSY— FITS 



This disease is characterized by sudden loss of 

 consciousness, convulsive movements, etc. In the 

 intervals between the attacks the hog may appear in 

 good health. 



Causes. — Epilepsy is due to lesions in the spinal 

 cord and brain. These may result from injury to 

 the above organs. In some cases it is no doubt a 

 hereditary disease and transmitted from the parent 

 to the offspring. Inbreeding is cited as a cause by 

 some writers. Intestinal worms are probably the 

 most common cause of spasms in young pigs, the 

 irritation to the intestines acting reflexly on the brain. 

 It may occur at the time the animal is cutting its 

 teeth. 



Symptoms.— The pig may be restless just before 

 the attack comes on. The convulsive movements 

 generally begin in the muscles of the head and ex- 



