. Bulletin of the Department of Agriculture. Agriculture; Agriculture. PREPARATION OF FROZEN AND DRIED EGGS. 19 fected but were decomposed. The average number of bacteria in the former was 35,000,000 per gram and in the latter 76,000,000. The amount of ammoniacal nitrogen was per cent on the dry basis in the second-grade egg and in the tanners' egg. These comparative data, together with the practical observations of the eggs used in the former product, show very conclusively that second-grade canned or dried eggs are unfit for food WHOLE AND M/XSD&GGS sorresss
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. PREPARATION OF FROZEN AND DRIED EGGS. 19 fected but were decomposed. The average number of bacteria in the former was 35,000,000 per gram and in the latter 76,000,000. The amount of ammoniacal nitrogen was per cent on the dry basis in the second-grade egg and in the tanners' egg. These comparative data, together with the practical observations of the eggs used in the former product, show very conclusively that second-grade canned or dried eggs are unfit for food WHOLE AND M/XSD&GGS sorresss seccwo &&o£ SGGS /OQ% Fig. 3.—Diagram showing percentage of commercial samples with counts over 5,000,000 per gram (samples taken in D, E, and F houses during 1912). As the houses under observation during 1912 were three of the largest producers of canned and dried eggs in the United States, it is instructive to compare the quality of their output as indicated by its bacterial content with that offered for sale for food during the two years previous to the investigation. Stiles and Bates found in a study of 312 samples of frozen egg collected from different sources during the years of 1909 to 1911, inclusive, that per cent contained over 10,000,000 bacteria per gram. Of 216 samples of liquid egg obtained from the cooperating houses during this investi- gation in 1912, only per cent were found to contain over 10,000,000 per ^/7^\Jj-[.003/% LE/Vf/A/G EGGS M/XEDEGGS "0"//OUSE A7/XEDEGGS "EWOC/SE WHOLE EGGS YOLKS SOFT EGGS SECOND G/PADE EGGS 7XA/A/E7PS EGGS HH .0020% ~\.0065% 0020% ~\.OOGP%> W&BL-OQ23 \.O07/% .002/ ].O0?4% ,O0324X> ~\.007G% WBM-OQ23 */£> ~}.0o&0&> \. 002476 .0/08% ,004/% Fig. 4.—Diagram showing average percentage of ammoniacal nitrogen in commercial samples taken in D, E, and F houses during 1912. The maximum count in the three houses in 1912 was 11,000,000 per gram, while the maxim
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