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. 



