The Comparative Values of the Plate Count and the Modified Methylene-Blue Reduction Test as Routine Methods for Grading Milk

During the past twenty years the plate count has been largely employed as a means of assessing the hygienic quality of milk. There is no doubt that for this purpose it has proved to be of great value, and the marked improvement which has taken place in the quality of the milk of many producers is largely attributable to its use.