MICRO-ORGANISMS IN MILK 



325 



These figures show that even when great care is taken to clean 

 utensils there is a constant increase of bacteria, although the actual 



Fig. 155. — Steam turbine washer. 





t I f 



Fig. 156. — Special steel frame bottle truck. 



germ content of the milk may be surprisingly low. The sudden 

 bacterial increase in the sample from the cooler was due to two ex- 

 ceptionally high counts, which raised the average, and shows that in 



