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, 
Fia. 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 
Total components Digestible components 
Old-process | New-process|/| Old-process ; New-process 
Moisture... ......0ceeeeeeee 9.8 9.0 
Aghaicc cna eases cin ines 5.5 5.5 Be ee 
hag cha tapia aha weenie oanttenen os 33.9 37.5 30.2 31.5 
PID ete tec theca aceternaittces 7.3 8.9 
Nitrogen-free extract........ 35.7 36.4 } aan 35.7 
bins aausliehee wgueetale iaerts 7.8 2.9 6.9 2.4 
Nutritive ratio, 1: .......... sets meg 1.6 1.3 
