298 



MILK 



were not broken up, but as soon as they were broken up by stir- 

 ring with the milk the bacterial content increased. 



Fig. 103. Use of sanitary milk-pails. The open pail is fully exposed to 

 the falling dust, while the hooded pail excludes much of the dust and dirt 

 coming from the animal. (Lane, U. S. Dept. of Agric., B. A. I., Circular 158.) 



The amount of dust dropping into milk may be somewhat 

 reduced by holding the pail at an angle as illustrated in Fig. 102. 



Fig. 104. Good style of Freeman Fig. 105. Poor style of Freeman 



milk-pail. milk-pail. 



(Harding, Wilson, and Smith, New York Agric. Exp. Sta., Bull. No. 326.) 



A more efficient protection is obtained by using some device to 

 reduce the size of the opening (Fig. 103). Freeman designed a 

 pail (Figs. 104, 105) with a hood attached, by means of which a 



