. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 420 Contribntioii from the Boreau of Animal Indnatry A. D. MELVIN, Chief Washington, D. C. PROFESSIONAL PAPER October 27,1916 COOLING HOT-BOTTLED PASTEURIZED MILK BY FORCED AIR By S. HENRY AYERS, JOHN T. BOWEN, and W. T. JOHNSON, Jr., Dairy Division CONTENTS Page Introdnctioii 1 Description of Experimental Apparatus . 2 Description of Instruments and Method of Recording Data 3 Relative Rate of Cooling of Milk and Water 5 Relative Rate of Cooling with Still Air and Fo
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. 420 Contribntioii from the Boreau of Animal Indnatry A. D. MELVIN, Chief Washington, D. C. PROFESSIONAL PAPER October 27,1916 COOLING HOT-BOTTLED PASTEURIZED MILK BY FORCED AIR By S. HENRY AYERS, JOHN T. BOWEN, and W. T. JOHNSON, Jr., Dairy Division CONTENTS Page Introdnctioii 1 Description of Experimental Apparatus . 2 Description of Instruments and Method of Recording Data 3 Relative Rate of Cooling of Milk and Water 5 Relative Rate of Cooling with Still Air and Forced Air 5 Results of Cooling by Means of Forced Air 9 Temperature Yariations in Quart Bottles of Milk and Water Under Varying Conditions 19 Page Cost of Cooling by Means of Cold Ont- sideAir 23 Effect of Slow Cooling on the Bacterial Flora of Milk after Pasteurization . 26 Effect of the Process on the Cream Line and Flavor of Milk 30 Experiments in Heating Bottled Milk by Forced Air 32 General Summary 3S Conclusion 37. WASHINGTON GOVERNMENT PRINTING OFFICE 1916. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original United States. Dept. of Agriculture. [Washington, D. C. ?] : The Dept. : Supt. of Docs. , G. P. O.
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