Standards for Certified Milk; 261 



under conditions prescribed by the department of health and the 

 medical milk commission. 



44. All certified milk shall reach the consumer within 30 

 hours after milking. 



Veterinary Supervision of the Herd. 



45. Tuberculin test. The herd shall be free from tubercu- 

 losis, as shown by the proper application of the tuberculin test. 

 The test shall be applied in accordance with the rules and regula- 

 tions of the United States Government, and all reactors shall be 

 removed immediately from the farm. 



46. No new animals shall be admitted to the herd without 

 first having passed a satisfactory tuberculin test, made in accord- 

 ance with the rules and regulations mentioned; the tuberculin to 

 be obtained and applied only by the official veterinarian of the 

 commission. 



47. Immediately following the application of the tuberculin 

 test to a herd for the purpose of eliminating tuberculous cattle, 

 the cow stable and exercising yards shall be disinfected by the 

 veterinary inspector in accordance with the rules and regulations 

 of the United States Government. 



48. A second tuberculin test shall follow each primary test 

 after an interval of six months, and shall be applied in accord- 

 ance with the rules and regulations mentioned. Thereafter, tuber- 

 culin tests shall be reapplied annually, but it is recommended 

 that the retests be applied semi-annually. 



49. Identification of cows. Each dairy cow in each of the 

 certified herds shall be labeled or tagged with a number or mark 

 which will permanently identify her. 



50. Herd-book record. Each cow in the herd shall be regis- 

 tered in a herd book, which register shall be accurately kept so 

 that her entrance and departure from the herd and her tuberculin 

 testing can be identified. 



51. A copy of this herd-book record shall be kept in the 

 hands of the veterinarian of the medical milk commission under 

 which the dairy farm is operating, and the veterinarian shall be 

 made responsible for the accuracy of this record. 



52. Dates of tuberculin tests. The dates of the annual tu- 

 berculin tests shall be definitely arranged by the medical milk 

 commission, and all of the results of such tests shall be recorded 

 by the veterinarian and regularly reported to the secretary of 

 the medical milk commission issuing the certificate. 



53. The results of all tuberculin tests shall be kept on file 

 by each medical milk commission, and a copy of all such tests 

 shall be made available to the American Association of Medical 

 Milk Commissions for statistical purposes. 



54. The proper designated officers of the American Associa- 

 tion of Medical Milk Commissions should receive copies of reports 



