LIST OF ILLUSTRATIONS 



All illustrations are by the courtesy of the Bureau of Animal Indus- 

 try, United States Department of Agriculture. 



Frontispiece. The digestive tract of a fowl 



Anatomy of the fowl 



Feeds making a balanced ration . 

 Average feed consumption of a hen 

 Mangel beets prepared for feeding 

 Growing green feed in the poultry yard . 



Feeding garbage 



Egg yolks affected by cottonseed feeding 



Plan of a fattening battery 



Milk fattening of chickens 



Interior poultry grading room 



Feeding chickens with a cramming machine 



Live poultry shipping cars 



Use of artificial lights 



Feeding scratch grains 



Large flock of geese on fattening farm . 



Feeding young ducks . 



Open oats sprouter 



Enclosed oats sprouter 



Simple box style hopper 



Labor saving devices . 



Wall type dry mash feed hopper . 



Out-door feed hopper 



Another style of out-door feed hopper 



26 

 42 



43 

 106 

 107 

 142 

 143 

 165 

 166 

 167 

 174 

 17s 

 184 

 185 

 200 

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 228 

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