The Normal Dairy. 143 



limit to the distance but that set by the possibility of 

 effective medical control of the establishment. 



As regards transportion, it is well to remember 

 that bottles with normal milk must never be filled to 

 the brim, as part of the milk would boil out during 

 sterilization ; they will, therefore, not stand pro- 

 tracted shaking on rough roads as raw milk would, 

 because the butter fat easily collects in the neck of 

 the bottle and bntters out. 



In the time of old town dairies, a considerable iii- 



Fig. 22-SIMMONTHAL SWISS BULL 



fluence was accorded to the breed of cattle which 

 should be kept by such furnishing milk for infants; 

 on the old continent, Hngland excepted, it was gen- 

 erally believed that the Alpine breeds were the 

 healthiest, and, therefore, the only proper breeds to 

 furnish such milk ; since we have, however, learned 

 to covert the milk of any healthy cow into a milk, 

 which, in all its nourishing constituants, is identical 

 to the human milk, irrespective of the relative pro- 

 portions contained thereof in cow's milk, this ques- 



