SELF-FEEDING HOPPERS 153 



Self-feeding Hoppers. A great number of styles and types of 

 feed hoppers are used for the feeding of dry ground grains and whole 

 grains. They are used more generally for the feeding of dry mash 

 kept before the birds all the time. Where they have been used in 

 the feeding of whole grains, it is doubtful if they have proved 

 efficient except in the case of growing chicks on free range. The 



FIG. 101. Common types of feeding troughs, a, Open V-shaped; b, square form; 

 c, V-shaped, covered. 



hoppers designed to feed whole grain automatically do not induce 

 sufficient exercise. They supply grain too liberally unless they 

 become clogged. 



The pens should be visited often enough to supply the grain 

 ration in litter. 



A successful dry-mash hopper should possess the following 

 features : 



It should be of large capacity, thus economizing labor in filling. 

 A hopper holding from two to four bushels will not require filling 



