ClyASSES OP COMMERCIAL FEEDS 



93 



equivalent to 36 per cent, protein. Meals between 36 and 38.5 

 per cent, protein are good. 



For feeding purposes a bright yellow meal free from an excess 

 of lint and hulls, and sweet in odor, should be selected. The 

 dark color of cotton-seed meal may be due to careless handling 

 and storage, fermentation before the seed is treated in the oil 

 mill, or to overheating in cooking. These causes tend to lower 

 the digestibility or palatability of the feed. 



The manufacturers sell these three classes as cotton-seed meal 

 and not as choice, prime and good. The chemist makes these 

 distinctions. 



Composition of CoTTOn-Sebd Meai, 



Class 



Composition in per cent. 



Fat 

 (ether 

 extract) 



Nitrogen 

 free ex- 

 tract 



Fiber 



Water 



Ash 



No. of 

 samples 



Choice 

 Prime . 

 Good.. 



43-1.2 

 39-87 

 37.26 



8.92 

 8.58 

 9.28 



25.69 

 27.23 

 28.13 



8.08 



9.86 



II. 14 



7.62 

 7.81 

 7-50 



6.57 

 6.6s 

 6.69 



1 192 



651 

 116 



A decrease in protein is accompanied by an increase in nitro- 

 gen free extract and fiber. 



Cotton-Seed Feed. — Those cotton-seed meals falling below 36 

 per cent, protein are classed as cotton-seed feeds. These feeds 

 are made up of varying quantities of cotton-seed meal, lint and 

 hulls. If such a feed is desired it is perhaps cheaper for the 

 feeder to purchase the meal and hulls separately and mix them 

 himself. Cotton-seed feeds are, as a class, more expensive than 

 cotton-seed meal, for the amount of protein received. The range 

 of the feeds of this class is generally from 18 to 36 per cent. 



protein, 4 to 10 per cent, fat and 11 to 26 per cent, fiber. 

 Average Composition of Cotton-Seed Feed 



