14 N. H. AGR. EXPERIMENT STATION [Bulletin 165 



dish, free from lint, and contain at least forty-six per cent 

 of combined protein and fat." 



Good cottonseed meal must be finely ground, of sweet 

 odor, reasonably bright in color, and by analysis must con- 

 tain at least forty-three per cent of combined protein and 

 fat. 



LINSEED MEAL. 



Linseed meal, oil meal, or flaxseed meal is the ground 

 residue from the extraction of oil from flaxseed.. The oil 

 is extracted by two processes, known as the old process and 

 the new process. In the old process the oil is simply ex- 

 pressed from the seed by hydraulic pressure. In the new 

 process naphtha or a similar solvent is used to extract the 

 oil. On account of the extraction being more complete 

 when a solvent is used, the new process generally contains 

 less fat than the old process, while they contain about the 

 same per cent protein. 



WHEAT PRODUCTS. 



Wheat hran is the coarse outer covering of the wheat 

 berry. It contains much of the fibrous material of the 

 grain, but is rich in protein. 



Middlings or shorts. These terms have generally the 

 same meaning in the trade, and are the fine particles of 

 the outer bran as well as considerable starchy matter. They 

 are the intermediate product between bran and flour. 



Reel dog is a low-grade w^heat flour containing the finer 

 particles of bran.* 



Wheat mixed feed or shipstuff is a mixture of the by- 

 products from the milling of tlie wheat berry.* 



* Definitions marked (*) are those adoiJted by the Association of Feed Con- 

 trol Officials of the United States. 



