No C. J)EPARTMENT OF AGRICULTURE. 101 



ket, I iiKiiu such an out let lur tliein as exists in Switzerland, I'oi- ex- 

 ample, lu thai country, cows found ui)on tuberculin test to be tuber- 

 cular are not destroyed if thev are still in the earlier stages of disease, 

 but they are marked by cutting a piece out of the ear in a characteris- 

 tic way, so that every one may know that the cow is tubercular. Then 

 the sale of cows su marked is not prohibited but, by the obvious mark 

 that is everywhere understood, every one is warned that this cow 

 must, for the safety of the owner and his herd, be kept in such a way 

 that disease can not spread from her. This is easily accomplished 

 by keei)ing the cow in a stable apart from healthy cattle, by having 

 her pastured apart from them and by heating her milk to 103 degrees 

 F. for ten minutes. Some of these tubercular cows when kept under 

 these conditions continue to render useful service for two, three or 

 even for four years. Cows that would be a source of great danger 

 and loss in a herd may be Ivcpt in this way with profit. Their calves 

 are almost always born healthy and may be reared in health if they 

 are removed soon after birth and are kept away from tubercular 

 cows, and are fed on the heated milk of such cows or on the milk of 

 healthy cows. If herds of cows in the earlier stages of tuberculosis 

 were established, but only under inspection and quarantine, their 

 milk could, with proper precautions, be used for many purposes and 

 such herd would furnish a safe outlet for the reacting cows from 

 other herds. 



I do not advance this plan as a recommendation but as an idea 

 worthy of consideration. In order that the spread of tuberculosis 

 may be checked, it is necessary to prevent the scattering of tubercular 

 cows among healthy herds. So long as there is not sufficient public 

 money available to buy all tubercular cows, it may be worth while 

 to provide a market for them so that their owners can get rid of them 

 without too much loss and in a way that does not jeopardize the 

 health of the herds they go into. 



The law governing the inspection of cattle coming into the State 

 has worked well and smoothly during the past year. An agent has 

 been continuously employed to control shipments of cattle into the 

 State and to see that they are inspected as the law requires. His 

 services have been effective in securing a strict observance of the 

 law. The dealers are now interested in its enforcement and render 

 valuable assistance to this end. 



During the year about 17,000 cattle have been inspected and of 

 these, 812 were found to be tubercular and were destroyed. The tu- 

 bercular cattle were in 407 herds, comprising 5,541 members, all of 

 which were tested with tuberculin. 



As a further review of this subject, I beg to submit the following 

 paper on The Control of Tuberculosis of Cattle, read by me before the 



