Archive image from page 243 of Dairy farming (1911). Dairy farming dairyfarming03mich Year: 1911 CHAPTER XXX. CERTIFIED MILK. Definition. Certified milk is milk produced under conditions imposed by medical milk commissions, which usually employ a veterinarian, a bacteriologist and a chemist to look after the production of the milk. It must Fig. 70. —Sanitary Dairy Barn. (Da. Div., U. S. Dept. of A.) be free from disease germs and preservatives, must have a known chemical composition, and must be so produced and handled as to insure a minimum numoer of bacteria, 230

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