THE SILO 139 



walls are strengthened with hoops, rods or iron 

 bands. In warmer climates where there is slight 

 danger from frost, another type known as the 

 stave silo is used. This is very much like a 

 large barrel, and the cost of building such a silo 

 is considerably less than the double wall type. 

 The solid concrete silo is also rapidly coming 

 into popular favor. 



EXERCISES 



1. Why should the hoops or reinforcing rods be 

 closer together near the bottom of the silo than near 

 the top? 



2. Can silage be stored in a " square ' ' silo ? 



3. Why not build a "square" instead of a "round" 

 silo. 



5. Why is a hollow wall silo to be preferred to one 

 of solid concrete? 



6. What kind of silo do you have on the home farm ? 



7. What kind of silo would be best for you to build? 

 Give reasons for your choice. 



8. How many silos are there within five miles of 

 your home? 



LABORATORY PROBLEMS 



XXIII. To Determine the Fat Content of Skim-Milk, But- 

 termilk and Whey 



Owing to the small amount of fat in skim-milk, it is 

 necessary to use a specially constructed bottle for this 

 work. The "double neck" bottle is generally used to 

 determine the fat content of skim-milk, buttermilk and 

 whey. 



