MICRO-ORGANISMS IN MILK 



283 



Fig. 90. Barns of this character are entirely too numerous. (Fraser, Bull. 

 No. 92, Univ. of 111. Agri. Exp. Sta.) 



Fig. 91. Dirty flanks. A common condition in winter. Flanks be- 

 come caked with manure, which there is often no thought of removing. This 

 is the source of most of the dirt found in winter milk. ^ (Webster, Bull. No. 

 56, Hygienic Laboratory.) 



may multiply in vessels, or in the milk, and thus greatly in- 

 crease the germ content. 



