204 Dairy Bacteriology. 



7. No milk shall be pasteurized more than once. 



8. No milk containing in excess of 200,000 bacteria per 

 c. c. shall be pasteurized. 



General Regulations for Grade A 



1. The caps of all bottles containing milk of Grade 

 A shall be white, and shall contain the words "Grade 

 A" in black letters, in large type. 



2. If cans are used for the delivery of milk for Grade 

 A, the said cans shall have affixed to them white tags, 

 with the words ' ' Grade A ' ' printed thereon in black let- 

 ters, in large type, together with the designation "In- 

 spected Milk (Raw) " or "Selected Milk (Pasteurized)," 

 as the quality of the contents may require. 



Grade B. Selected Milk Raw. Selected milk (raw) 

 is milk produced at farms holding permits therefor from 

 the Board of Health, and produced and handled in ac- 

 cordance with the following minimum requirements, 

 rules and regulations: 



1. Only such cows shall be admitted to the herd as 

 have been physically examined by a regularly qualified 

 veterinarian and declared by him to be healthy, and free 

 from tuberculosis in so far as a physical examination 

 may determine that fact, 



2. The farms at which the milk is produced must ob- 

 tain at least 68 points in an official score of the Depart- 

 ment of Health. These 68 points shall be made up as 

 follows: A minimum of 25 points for equipment, and a 

 minimum of 43 points for method. 



3. The milk shall not contain an excessive number of 

 bacteria when delivered to the consumer, or at any time 

 prior thereto. 



Grade B. Pasteurized Milk. Pasteurized milk (Grade 

 B) is milk produced under a permit issued therefor by 



