After a persistent and successful contest against adulterated skimmed and preserved milk, covering a period of over twenty years, the city of Boston, in 1904, through its Board of Health, laid the foundation for further improvement by inaugurating a campaign having for its ultimate aim the application of cleanly conditions and refrigeration of its milk supply. An account of this movement, as well as that of its influence on the inception of new methods governing the production and traffic in milk, is the province of this paper.
The initiatory step was the adoption of a standard limiting the number of bacteria in milk to 500,000 per cubic centimeter, and prohibiting the sale of milk having a temperature higher than 50 F. Other regulations looking to a betterment of the milk supply were adopted at the same time, and these, together with such changes as seemed advisable from observation and progress,
JORDAN JO. BOSTON'S CAMPAIGN FOR CLEAN MILK.. JAMA. 1907;XLIX(13):1082–1087. doi:10.1001/jama.1907.25320130016001d