CATTLE FOODS. 



35 



It will be observed that the above detailed classification is 

 based upon the amount of protein the various feed stuffs con- 

 tain. Those in Class I — the cotton, linseed and gluten meals — 

 contain from 30 to 45 per cent ; those in Class II — the gluten 

 feeds, brewers' grains and malt sprouts — 20 to 30 per cent ; those 

 in Class III — the wheat by-products — 14 to 20 per cent ; while 

 those in Class IV — the starchy feeds — contain about 10 percent 

 protein. In this connection it might be of interest to present 

 what the writer terms the " protein standard"! for these various 

 feeds. 



FEED STUFFS. PROTEIN STANDARD. 



Starchy 



rbohydral 



feeds. 



Protein feeds. 



per cent. 



♦Including fat reduced to carbohydrates. 



trty "protein standard" is meant the per cent of protein an unadulterated feed should 

 contain. 



(Minimum. 



dicing gluten meal should have 33 per cent protein and 15 per cent fat. 



