FEEDING ANIMALS 329 



QUESTIONS AND PROBLEMS 



1. What is maintenance and what part of the food is required for this 

 purpose ? 



2. How may the maintenance cost of our farm animals be reduced? 



3. To what productive uses do farm animals put their feed? Give 

 examples from your own observations. 



4. What is meant by digestion of food? 



5. How and where does digestion occur? 



6. How and where does the digested material enter the tissues ? 



7. Of what is the animal body composed and in what respect does it 

 differ from the plant ? 



8. Describe the sources and needs of water, proteins, fat, and ash. 



9. What is meant by a balanced ration? Give examples for different 

 kinds of animals. 



10. How do fowls compare with cattle and with horses in the matter 

 of mastication and digestion of feed? 



11. In what sense are the four stomachs of the ruminants a commercial 

 asset ? 



12. What is the effect of a balanced ration on completeness of digestion ? 



13. What are the best available feeds with which to balance the cereals ? 



14. In what sense is the animal a more efficient machine than any that 

 man has yet devised ? 



15. Why do young pigs confined in dry lots and fed exclusively on 

 corn soon become unthrifty or die? 



16. Why do colts, calves, and lambs when fed on corn and wheat 

 straw, or millet, or prairie hay soon cease to gain and show lack of thrift? 



REFERENCES 



BAILEY, L. H. Encyclopedia of American Agriculture, Vol. Ill, pp. 56-1 1 9. 

 The Macmillan Company. 



HENRY, W. A. Feeds and Feeding. Published by the author. 



JORDAN, W. H. The Feeding of Animals. The Macmillan Company. 



SMITH, H. R. Principals of Stock Feeding. Webb Publishing Company. 



The Feeding of Farm Animals, Farmers' Bulletin 22, United States 

 Department of Agriculture. 



The Computation of Rations for Farm Animals by the Use of Energy 

 Values, Farmers' Bulletin 346, United States Department of Agri- 

 culture. 



