54 



HATCH EXPEKIMENT STATION. 



[Jan. 



An estimation of the protein and fat only is necessary to 

 enable one to get at their comparative values. Such feeds 

 are bought chiefly for their protein content. 



One-fourth to one-third of coarse fodders — hays, straws, 

 corn fodders — consists of crude cellulose. This cellular 

 matter, in so far as it is digestible, is equal in value to the 

 digestible extract matter. Coarse fodders naturally consti- 

 tute the bulk of the feed for neat stock, and are valuable 

 chiefly for their cellular and extract matter (carbohydrates). 



Analyses. 



(«) Gluten Feeds. — The gluten feeds are being sold very 

 largely in Mq,ssachusetts markets at the present time. They 

 consist of the skin or hull, the germ and the gluten of the 

 corn kernel. The Pope gluten feeds do not contain the 

 oerm. 



t Not determined. 



These feeds are kiln dried, and contain from 7 to 10 per 

 cent, of water. For the sake of comparison, they are all 

 calculated to a uniform basis (9 per cent.). It will be 

 noticed that the per cent, of protein varies from 17.5 to 

 25 ; i. e., a 30 per cent, variation. The per cent, of fat also 

 varies from 13.07 to 7.21; ^. e , a 45 per cent. difl"erence. 

 These feeds, with such wide variations in protein and fat 

 content, are sold practically at the same price per ton. 



(6) Oat Feeds. — This material is being very largely 

 ofiered. It consists of oat hulls, poor oats and the refuse 

 from oat-meal factories, mixed with more or less ground 



