THE THERMAL DEATH-POINT OF TUBERCLE BACILLI IN MILK AND SOME OTHER FLUIDS

Abstract

1. Tubercle bacilli when suspended in. distilled water, normal salt solution, bouillon and milk, are destroyed at 60° C. in 15 to 20 minutes. The larger number are destroyed in 5 to 10 minutes. 2. When tubercle bacilli are suspended in milk, the pellicle which forms during the exposure at 60° C. may contain living bacilli after 60 minutes.