

'■'■■*-•• J"- ■ •i»*' ^ 



An apparently healthy cow affected with tuLerculcs's. She 

 does not cough, hcfr appetite is good, she seems strong and 

 vigorous, and gives an unusually large quantity of milk. At 

 the time the picture was taken it was known that she had been 

 tuberculous at least four years and that she had been passing 

 large numbers of tuberculosis germs from her body at least 

 three years. Since it fir<t became known that the cow was dis- 

 eased she has given birth to four calves. 



