64 



thorities of the Province of Buenos 

 Ayres, tuberculined 7705 stalled ani- 

 mals, and verified the existence of 7.8 % 

 of tuberculose subjects. 



In the same period Dr. Damian Lan, 

 Professor of the Faculty of Agronomical 

 and Veterinary Science, at La Plata, 

 carried out a series of experiments in 

 the cow-sheds (tambos) ol the Province 

 of Buenos Ayres, when "Tuberculine" 

 returned 8 % of tuberculous subjects. 

 Simultane ously Mr. J. Lejeune applied 

 tuberculine to 1.0U0 milk-cows from Mar 

 del Plata and found that 5 % oi them 

 were tuberculous. The said Professor 

 Lejeune tuberculines annualy 80 milk 

 cows kept half stalled, which purvey the 

 city of Mar del Plata with; inilkand by 

 positive reactions and by post-mortems 

 he has proved the existence of 7 % of tu- 

 berculous subjects. 



Dr. Lincoln Villanueva in the year 

 1901 applied tuberculine to 2.000 milk- 

 cows in the district of Ohascomiis and 

 obtained 10 % <»f diagnostic reactions. 



