Practical preventive medicine . FiG. 52.—Cleaning cows preparatory to milking. A simple operation re-quiring no other outlay than a little time. (Bull. 56, Hygienic Laboratory). cedure are in vogue (Figs. 60, 61). After heating the bottles arecooled and chilled. This method possesses the advantage thatsubsequent contamination is prevented. The most satisfactory pasteurization from a hygienic stand-point is achieved by holding the milk from 35 to 40 minutes ata temperature of 65 degrees C. (Fig. 58). Pasteurization doesnot alter the digestibility of the milk; though some may observea difference
Practical preventive medicine . FiG. 52.—Cleaning cows preparatory to milking. A simple operation re-quiring no other outlay than a little time. (Bull. 56, Hygienic Laboratory). cedure are in vogue (Figs. 60, 61). After heating the bottles arecooled and chilled. This method possesses the advantage thatsubsequent contamination is prevented. The most satisfactory pasteurization from a hygienic stand-point is achieved by holding the milk from 35 to 40 minutes ata temperature of 65 degrees C. (Fig. 58). Pasteurization doesnot alter the digestibility of the milk; though some may observea difference in its palatability. The heating alters the vis-cosity of the butter-fat, so that a distinct cream line is not i56 PRACTICAL PREVENTIVE MEDICINE formed. Oxidases and vitamines are destroyed, so that pas-teurized milk used for infant feeding should be supplemented. Pig. 53.—A clean light, airy interior. Milkers at work are dressed in cleanwhite suits and caps. Cows are clean. An ideal place. (Bull. 56, HygienicLaboratory).
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectprevent, bookyear1920
