298 Effective Farming 



9. Why should the concentrates of a ration be richer in protein 

 if timothy hay is fed as the roughage than if alfalfa hay is fed ? 



10. Why are silage, soiling crops, and roots fed extensively to dairy 

 cows? 



REFERENCES 



Bailey, L. H., Cyclopedia of American Agriculture, Vol. Ill, pp. 56-122, 

 58, 92, 103, 106. The Macmillan Co. 



Jordan, W. H., The Feeding of Farm Animals. The Macmillan Co. 



Henry, W. A., Feeds and Feeding. Published by the author. Madi- 

 son, Wis. 



Henry, W. A., and Morrison, F. B., Feeds and Feeding. Abridged. 

 The Henry-Morrison Co., Madison, Wis. 



Armsby, Henry P., Principles of Animal Nutrition. Wiley and Sons. 



Farmers' Bulletin 22, The Feeding of Farm Animals. 



Farmers' Bulletin 346, The Computation of Rations for Farm Animals 

 by the Use of Energy Values. 



Animal Industry Bulletin 143 (U. S. Department Agriculture), Main- 

 tenance Rations of Farm Animals. 



Experiment Stations Bulletin 77 (U. S. Department Agriculture), 

 Digestibility of American Feeding Stuffs. 



