64 



CITY MILK SUPPLY 



diet and those of a few infants sometimes contain the organism. In 14 

 cases Bad. welchii was found in sufficient numbers to sanction the belief 

 that it was the exciting cause of the diarrhea. That fecally contaminated 

 milk offers a possible source of infection with this organism must be 

 admitted. 



Simonds says that there are some reasons for believing that Bad, 

 welchii of human origin may be virulent and that of bovine not so. 



Unclean Milk at the U. S. Naval Academy. There is evidence that 

 impure milk is the cause of indefinite intestinal disorders among adults 

 and that the substitution of a pure supply for an impure one is attended 

 with good results. The experience at the U. S. Naval Academy at An- 

 napolis, Md., is a case in point. A few years ago Paymaster Samuel 

 Bryan, U.S.N., who was charged with provisioning the Naval Academy at 

 Annapolis, Md., requested the Bureau of Animal Industry to test for 

 tuberculosis some of the herds from which milk was being obtained by 

 contract. The demonstration of the disease and the presence of an undue 



TABLE 28. THE EFFECT ON THE ATTENDANCE OF INTRODUCING A PURE MILK SUPPLY 

 TO THE U. S. NAVAL ACADEMY 



TABLE 29. REDUCTION OF INTESTINAL DISORDERS CONSEQUENT UPON INTRO- 

 DUCING A PURE MILK SUPPLY TO THE U. S. NAVAL ACADEMY 



