SUGAR FACTORY FEEDS AND OIL MEALS 



197 



of the meal and place a level teaspoonful of it into a tumbler (Fig. 38) ; 

 then add ten teaspoonfuls of boiling hot water to the meal; stir thoroughly 

 and leave to settle. If the meal is new-process it will settle in the course 

 of an hour, and will leave about one-half of the water clear on top. Old- 

 process meal will remain jelly-like. 



FIG. 38. The swelling test. I, old-process oil meal; II, new-process oil meal. In case 

 of the former, the meal stirred in water remains in suspension on standing, while the new- 

 process meal soon settles so as to leave a clear yellowish solution on top, only about half the 

 quantity of water added being absorbed. 



Composition of Linseed Meal. The chemical analysis and 

 digestibility of old- and new-process oil meal will be seen from the 

 following table: 



Chemical Composition and Digestibility of Linseed Meals, in Per Cent 



