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May 18, 1912


Author Affiliations


From the Laboratory of the Department of Health, City of Chicago

JAMA. 1912;LVIII(20):1495-1496. doi:10.1001/jama.1912.04260050171004

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Since the advent of the vacuum-jacketed bottle, one of the uses to which it has been put is that of keeping a supply of baby's milk warm over several feeding-periods. From the standpoint of convenience, the idea of adopting this procedure, especially for night feeding, is attractive, as the troublesome process of warming the milk to the proper nursing-temperature at each feeding is thereby eliminated. The usual procedure is simply to warm a suitable quantity of properly modified milk to a temperature somewhat above that required for feeding and place the heated mixture in a vacuum bottle, which is then tightly stoppered and set aside until needed. The milk remains warm enough for feeding over a very considerable period of time.

From a bacteriologic standpoint, it becomes evident on reflection that this practice may or may not be safe

for the infant, according to whether the milk is kept at

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