CHAPTER LXVII 

 DAIRY BARNS 



Essentials. The essentials of a good dairy barn may be 

 enumerated as follows: 



1. Warmth. Dairy cows cannot be expected to produce 

 well unless comfortably housed. Cows protected from cold 

 require less feed. 



2. Sanitation. Since dairy products are used for human 

 food and since there is nothing that is so easily contaminated 

 with filth and disease as milk, the sanitation of dairy barns is 

 perhaps the most important factor in their construction. 



3. Ventilation. In order that cows shall produce well 

 and remain healthy, they must be provided with plenty of 

 fresh air. 



4. Light. As explained in another chapter, adequate 

 natural lighting is necessary to cope with disease. 



5. Dryness. Barns must be dry,' damp barns breed 

 disease. Ample drainage must be provided. 



6. Convenience in handling stock and feed must be con- 

 sidered. 



7. Box Stalls. The barn must have provision for box 

 stalls, also pens for young stock and the bull, unless other 

 provision is made. 



8. Storage room of sufficient capacity to suit conditions 

 must be provided for feed. 



Types of Barns. Dairy barns may be classified according 

 to the method of handling the cows and also according 

 to the height of the building. The open feed room type of 

 dairy barn is arranged to let the cows run loose, and has but 



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