THIRTY-SIXTH ANNUAL CONVENTION. 95 



Chairman: Illinois has acquired some property we are 

 proud of. We feel that we have a new man, and we are going to 

 hang on to him. We feel that he is a son of Illinois and that he 

 will try to make us wake up and learn a few things. Dr. Peters, 

 I hope, will remain with us for several years. I take pleasure in 

 introducing Dr. Peters. 



ABORTION 

 by 



Dr. A. T. Peters, State Board of Live Stock Commissioners, 

 Springfield, Illinois. 



This disease is by no means new. It has been reported many 

 years ago and the theories regarding this disease are numerous. 

 Some of the best Pathologists have posted themselves with the 

 investigation of this disease. From time to time commissions 

 have been appointed by Agricultural Societies of the different 

 countries to study the breeding of live stock, and the infectious- 

 ness and cause and cure of this disease. Very little can be learn- 

 ed from the early writers. In fact, the early literature on this 

 subject has a tendency towards superstition, in that it invariably 

 attributed the cause of epidemic abortion to that of sympathy, 

 that the animal is endowed with instinct to know that when one 

 or more animals are so affected and that the odor or some other 



