CONTROL OF FOODS 217 



8. An examination by a veterinary surgeon should be 

 made at least once a year. 



THE STABLE 



9. No stagnant water, hog-pen, privy, or uncovered cess- 

 pool or manure pit should be maintained within one hun- 

 dred feet of the cow stable. 



10. The cow stable should be provided with some ade- 

 quate means of ventilation, either by the construction of 

 sufficient air-chutes extending from the room in which the 

 cows are kept to the outside air, or by the installation of 

 muslin stretched over the window openings. 



11. Windows should be installed in the cow barn to pro- 

 vide sufficient light (2 square feet of window light to each 

 600 cubic feet of air space the minimum) and the window- 

 panes be washed and kept clean. 



12. There should be at least 600 cubic feet of air space 

 for each cow. 



13. Milch-cows should be kept in a place that is used for 

 no other purpose. 



14. Stable floors should be made water-tight, be properly 

 graded and well drained, and be of some non-absorbent ma- 

 terial. Cement or brick floors are the best, as they can be 

 more easily kept clean than those of wood or earth. 



15. The feeding-troughs and platforms should be well 

 lighted and kept clean at all times. 



16. The ceiling should be thoroughly swept down and 

 kept free from hanging straw, dirt, and cobwebs. 



17. The ceiling must be so constructed that dust and dirt 

 therefrom shall not readily fall to the floor or into the milk. 

 If the space over the cows is used for the storage of hay, 

 the ceiling should be made tight to prevent chaff and dust 

 from falling through. 



18. The walls and ledges should be thoroughly swept 



