A COMPARATIVE TEST WITH MILK STAINS*

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Abstract
Tests were made to compare the relative value of four methods of straining milk films, for the enumeration of bacteria and body cells. The methods compared were those of Barber, Gray, Mallman, & Churchill, and one recommended by the A.P.H.A. (called herein the Standard). The author's method proved to give the more satisfactory films, in which bluestained cells were easily seen against a pink background of milk solids, and to give significantly higher numbers of bacteria.

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