No. 4.] CATTLE COMMISSIONERS' REPORT. 395 



cases, as recorded upon the clinical chart such as is commonly 

 used in the work of this Board. Such a chart is as follows : — 



TIME 

 OF DAY 



107' 



106 

 U 



3 105' 



< 



OC 104' 



u 



Q. 



2 103 

 U 



H 



102' 



lor 



100 



CLINICAL CHART. 



THE INJECTION WAS MADE AT 7P.M. 



This animal was condemned and found tuberculous. 



Inquiry is frequently made as to how many degrees of rise 

 are considered to surely indicate the presence of the disease in 

 a given animal This question is one that cannot be easily 

 answered in an off-hand way, and it is not safe to condemn an 

 animal unless the temperature table has first been carefully 

 studied. The reaction caused by the tuberculin is so plainly 

 marked in hj far the greater number of the cases under the 

 usual conditions^ that the animal may be condemned or re- 

 leased with absolute certainty, providing the necessary care has 

 been observed in making ujj the table. On the other hand, a 

 careful study of the tabulated tests appended to this report will 

 show the exact nature of many of the difficulties and the com- 

 plexity of some of the problems submitted to the examiner. 

 "While the testimony of those who have had the most experi- 



