156 Animal Husbandry 
four times daily? Would better results be obtained from feeding and “ 
milking six times per day? Why? 
9. Why is a fresh cow’s milk unfit for human consumption? How does 
this first milk differ from average milk? Why is it so essential for the 
calf? Why are Jersey calves thought to be more difficult to raise than 
Shorthorn calves? Why are milk substitutes of questionable value in 
calf breeding ? 
10. Name the foods that are commonly fed dairy cattle in your vi- 
cinity. Find out exactly what some persons are feeding and calculate 
the dry-matter, nutritive ratio, and energy value. Compare with the 
three standards. How can such a ration be improved? 
