412 CITY MILK SUPPLY 



located outside of the stable or milk house. These toilets shall be properly 

 screened, shall be kept clean, and shall be accessible to wash basins, water, nail 

 brush, soap and towels, and the milkers shall be required to wash and dry their 

 hands immediately after leaving the toilet room. 



TRANSPORTATION 



43. In transit the milk packages shall be kept free from dust and dirt. 

 The wagon, trays, and crates shall be kept scrupulously clean. No bottles shall 

 be collected from houses in which communicable diseases prevail, unless a sepa- 

 rate wagon is used and under conditions prescribed by the department of health 

 and the medical milk commission. 



44. All certified milk shall reach the consumer within 30 hr. after milking. 



VETERINARY SUPERVISION OF THE HERD 



45. Tuberculin Test. The herd shall be free from tuberculosis, as shown by 

 the proper application of the tuberculin test. The test shall be applied in accord- 

 ance with the rules and regulations of the United States Government, and all 

 reactors shall be removed immediately from the farm. 1 



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

 a satisfactory tuberculin test, made in accordance with the rules and regulations 

 mentioned; the tuberculin to be obtained and applied only by the official veteri- 

 narian 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. 1 



48. A second tuberculin test shall follow each primary test after an interval 

 of 6 months, and shall be applied in accordance with the rules and regulations 

 mentioned. Thereafter, tuberculin tests shall be reapplied annually, but it is 

 recommended that the retests be applied semiannually. 



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 registered 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 veteri- 

 narian 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 tuberculin 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 Ameri- 

 can Association of Medical Milk Commissions for statistical purposes. 



1 See Circular of Instructions issued by the Bureau of Animal Industry for mak- 

 ing tuberculin tests and for disinfection of premises. 



