FARM DAIRYING 



amount of blood which passes through the udder, 

 and there certainly is a relationship between it 

 and the milk-flow. The tremendous flow of blood 

 through the udder makes it extremely sensitive 

 to sudden changes of heat and cold, and hence 

 the danger of lying on cold, damp ground or ce- 

 ment or stone floors. 



1 107 J 



