REVIEW 183 
13. Discuss feed requirements for fattening. 
14. Compare production requirements of large and small hens. 
15. What are the possible uses of feeding standards? 
16. Discuss the relation of feed to product. 
17. Enumerate ten factors which must be considered in studying the principles 
of poultry feeding. 
18. How and when may stimulating feed be used? 
References.—Feeding of Laying Hens, by James E. Rice, Cornell Reading 
Course Bulletin 17. Digestive Experiments with Poultry, by J. M. Bartlett, 
Maine Bulletin 184. Principles and Practices of Poultry Feeding, by H. R. 
Lewis, Bulletin New Jersey Board of Agriculture. Digestion Experiments 
with Poultry, by E. W. Brown, U.S. Bureau of Animal Industry Bulletin 156. 
Feeding of Laying Hens, by A. G. Phillips, Kansas Bulletin 164. The Economy 
of using Animal Feed in Poultry Feeding, by W. P. Wheeler, New York Bulle- 
tin 149. The Adaptability of Concentrated By-products for Poultry Feeding, 
by W. P. Wheeler, New York Bulletin 27. Experiments with Whole versus 
Ground Grains, by W. P. Wheeler, New York Bulletin 106. Poultry Feeding 
Experiments, by Horace Atwood, West Virginia Bulletin 88. Mineral Ele- 
ments in Animal Nutrition, by E. B. Forbes, Ohio Bulletin 201. 
