THE COW IN HEALTH AND DISEASE 39 



cooling the blood that passes through the 

 skin, where it becomes cooled and when it 

 reaches the internal parts of the body it keeps 

 it at a uniform temperature. The extra feed 

 that will be required for the cow that is kept 

 unclean will be of more value than the time 

 and expense of keeping her clean. 



The cow should be curried and brushed at 

 least once each day and if she gets dirty in 

 such a manner that it can not be brushed 

 off then she should be washed and dried with 

 a coarse cloth. Where electricity is available 

 and the number of cows will warrant the ex- 

 pense an electric machine may be procured for 

 cleaning the cows. It is very easily operated. 

 saves time and is very satisfactory. 



Construction of the Barn. 



The first thing to be thought of in construct- 

 ing the dairy barn, is the health of the cows, as 

 cows that can not be kept healthy are being kept 

 at a loss and besides the products that are se- 

 cured from them are dangerous to those who 

 consume them. The things that are necessary 

 for keeping the cows healthy are plenty of air 

 space as each cow must have plenty of fresh 

 air at all times, so the barn should be so con- 

 structed as to provide 1,000 cubic feet of air space 

 for each cow. The next thing is plenty of light 

 as cows kept in dark stables do not produce well 

 and besides they are not easily kept sanitary, as 

 sunlight can not get in its work, therefore 



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