174 Animal Husbandry 
advantage of the machine? Which milk contains the most fat, that drawn 
first or last? ; 
9. Why is it essential that the floor and walls be tight when the King 
ventilating system is used? Why should the dairy barn be warm, well 
lighted and well ventilated ? 
10. Why should the silo be air tight? Which is the more desirable, a 
high, narrow silo or a low, wide one? Why? Why should silage be well 
packed ? 
