﻿APPENDIX. 



METHODS AND STANDARDS FOR THE PRODUCTION AND DISTRIBU- 

 TION OF CERTIFIED MILK. 



(Adopted by the American Association of Medical Milk Commissions, May 1, 



1912.) 



HYGIENE OF THE DAIRY. 



UNDER THE SUPERVISION AND CONTROL OF THE VETERINARIAN. 



1. Pastures, or paddocks. — Pastures or paddocks to which the cows have access 

 shall be free from marshes or stagnant pools, crossed by no stream which 

 might become dangerously contaminated, at sufficient distances from offensive 

 conditions to suffer no bad effects from them, and shall be free from plants 

 which affect the milk deleteriously. 



2. Surroundings of buildings. — The surroundings of all buildings shall be kept 

 clean and free from accumulations of dirt, rubbish, decayed vegetable or animal 

 matter or animal waste, and the stable yard shall be well drained. 



3. Location of buildings. — Buildings in which certified milk is produced and 

 handled shall be so located as to insure proper shelter and good drainage, and 

 at sufficient distance from other buildings, dusty roads, cultivated and dusty 

 fields, and all other possible sources of contamination ; provided, in the case of 

 unavoidable proximity to dusty roads or fields, the exposed side shall be screened 

 with cheesecloth. 



4. Construction of stables. — The stables shall be constructed so as to facili- 

 tate the prompt and easy removal of waste products. The floors and platforms 

 shall be made of cement or other nonabsorbent material and the gutters of 

 cement only. The floors shall be properly graded and drained, and the manure 

 gutters shall be from 6 to 8 inches deep and so placed in relation to the plat- 

 form that all manure will drop into them. 



5. The inside surface of the walls and all interior construction shall be 

 smooth, with tight joints, and" shall be capable of shedding water. The ceiling 

 shall be of smooth material and dust tight. All horizontal and slanting surfaces 

 which might harbor dust shall be avoided. 



6. Drinking and feed troughs. — Drinking troughs or basins shall be drained 

 and cleaned each day, and feed troughs and mixing floors shall be kept in a 

 clean and sanitary condition. 



7. Stanchions. — Stanchions, when used, shall be constructed of iron pipes or 

 hardwood, and throat latches shall be provided to prevent the cows from lying 

 down between the time of cleaning and the time of milking. 



8. Ventilation. — The cow stables shall be provided with adequate ventilation 

 either by means of some approved artificial device, or by the substitution of 

 cheesecloth for glass in the windows, each cow to be provided with a minimum 

 of 600 cubic feet of air space. 



9. Windows. — A sufficient number of windows shall be installed and so dis- 

 tributed as to provide satisfactory light and a maximum of sunshine, 2 feet 



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