REPORT ON THE RESULTS OBTAINED BY 

 THE SPECIAL COMMITTEE FOR IN- 

 VESTIGATION OF INFECTIOUS 

 ANEMIA OF HORSE. 



I. INTRODUCTION. 



a. Organization of the Committee for the Investi- 

 gation of Infectious Anemia of Horse. 



The Special Committee for the Investigation of Infec- 

 tious Anemia of Horse was organized by the Government 

 in July, 1909, and it has been put under the control of 

 the Bureau of Horse Administration. The reason for 

 establishing the committee is as follows : 



Lately outbreaks of a peculiar horse disease were 

 noticed at several important breeding districts in Hokkai- 

 do and the north-eastern part of Hondo (main island of 

 Japan). Several hundreds have already been lost both in 

 the Eemount Depdt. of Military Horses and among horse 

 owners. This disease, which causes pernicious anemia, is 

 mainly confined to the pasturing districts. Since almost 

 all the horses that contract the disease are sure to die, 

 it has created considerable alarm among horse breeders 

 in Japan. Despite the fact that its etiology had been as- 

 siduously investigated at several governmental institutions, 

 satisfactory results had not been obtained. Moreover, in 

 the affected regions no means of checking the disease 

 had ever been attempted because of the entire lack of 

 knowledge of its causative factors. Judging from the 



