QUESTIONS 7 



produce an equivalent amount of human food in the form of 

 flour. And all this the cow did by working over hay, corn 

 silage and various rough or by-product grains. 



From the above brief discussion it will readily be seen why 

 it is that in densely populated sections of the world, where the 

 demand for food is great, and labor cheap, milk production has 

 become of first importance. Dairying is an intensive form of 

 agriculture, requiring more labor, yet recompensing for it if 

 rightly done. 



QUESTIONS 



1. From what do plants obtain the heat that is stored in them? 



2. In what forms do we handle this energy? 



3. What per cent of field grain crops is edible by man? 



4. How may man eat hay, grass, and silage? 



5. How is an animal a transformer of solar energy? 

 C. Name the domesticated food animals. 



7. Which one will return to m.an the largest percentage of the amount 



consumed ? 



8. How many times more efficient as a food producer is a cow than a. steer ? 



9. What is meant by "starch value" of milk? 



10. Compare the average cow of your herd with an average yield of wheat 

 or corn. 



