— 60 — 



Independantly of the weakness of Tu- 

 berculine, as a means of diagnosis, the 

 Division of Cattle has proved other weak 

 points, of certain importance i.e. 



It frequently produces aggravation 

 of symptoms, and above all a consi- 

 derable prolongation of hyperthermia, 

 which, during several days is as much 

 as 40 and 41° <\, accompanied with 

 accelerated respiratory movement, to 

 such an extent, as to become dyspnoea. 

 In many cases, the lacteal secretion, 

 diminishes considerably, and in some 

 cases such diminution is maintained 

 indefinitely in subjects which have shewn 

 reaction. 



In the rural cow-sheds of the Argen- 

 tine Republic, Tuberculine always pro- 

 duces a perceptible diminution in the 

 milk-yield, even in healthy animals. In 

 unstalled animals intended for the milk 

 trade. Tuberculine is extremely preju- 

 dicial, as over and above the natural 

 effects of the Tuberculine, the effects 



