Flock No. 11, 48 birds; owner, Mr. C. L. Carlisle, Colum- 

 bus, Ohio. 



Results: Good results following treatment last year in- 

 duced the owner to have them immunized. 



Flock No. 12, 23 birds; owner, Mr. C. H. Davles Colum- 

 bus, Ohio. 



Results: No report. 



Flock No. 13, 162 birds; owner State School for Deaf and 

 Dumb, Columbus, Ohio. 



Results: Too recent for report. 



Clinic cases: Up to January first of this year 52 birds in ad- 

 vanced stages of the disease were presented at the Clinic; seven 

 of these died. 



During the past six years (1910-16) vaccine was sent to the 

 owners of approximately 12,000 birds, living in different parts 

 of the United States and Canada. No accurate reports have 

 been received from the majority of owners but inasmuch as 

 they have applied for more of the vaccine we assume that the 

 results were equally as satisfactory as with those in the above 

 experiments. 



It has not been used extensively in treating turkeys, but 

 from the reports received from the owners of the three or four 

 flocks of turkeys treated the results were equally as good as for 

 chickens. 



The total number of cases treated during the past six years 

 in and near Columbus: 



1910 5 



1911 '. 592 



1912 952 



1913 792 



1914 1,573 



*1915 2,242 



Grand total 6,156 



Mortality rate in flocks treated less than 1 per cent. 

 Mortality rate in flocks not treated from 10-50 per cent. 



♦Report only to January 1, 1916. 



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