8 
Brisket Disease 
The two animals pictured above were from a lot of 3 5i that^ were 
raised near Parker, Colorado. One is a four-year-old cow the other a 
two-year-old steer. They were shipped to a ranch ”?ar Fairplay, ColO 
rado (altitude 9,500 ft.) where they were ranged with about 50 nativ 
cattle. Six of the animals raised at Parker (altitude MOO ft.) became 
ill with brisket disease, while none of the natives were aff ® ct ' , k 
animals were seen on October 17, 1915, at which time they had been s, c k 
about three weeks. On this same date a six-months-old calf of ■the Parker 
lot born at the high altitude was found to be suffering from the sam , 
disease. 
