256 FEEDING 



Sour Skim Milk. Sour skim milk is a valuable addition to 

 the ration. The souring of milk generates lactic acid, which 



FIG. 142. Sprouted oats form one of the best green feeds for poultry. They 

 make the best growth when sprouted at a depth of one inch, as shown in tray No. 1. 

 When sprouted deeper they mold and do not make as many sprouts. 



is a great aid to digestion, and is also beneficial because it kills 

 injurious bacteria which may find entrance to the digestive 



FIG. 143. A small dry mash hopper which is designed for the feeding of dry 

 mash to laying hens. The projecting roof makes it possible to use this hopper out 

 of doors. 



tract. Sour milk also furnishes a considerable amount of 

 protein nutrient. Experiments show that birds lay remark- 

 ably well and produce eggs at a profit if fed on sour skim milk. 



