482 WEST AFRICAN FORESTS AND FORESTRY 
or per food unit it works out to £4 16s. per ton. Indigestible fibre 
reaches 10 per cent., or in older samples of ten years ago 28 per cent., 
which is far too high. As a unit it costs ls. 4d., against 2s. 7d. for 
cotton-seed meal. 
According to E. D. News the analysis is : 
Per cent. 
Albuminous matters wie .. 17-30 
Fatty matter os ee .. 10-18 
Gum, sugar and starch ws .. 380-40 
15c. Kernex Awatysis.—According to the investigations the 
analysis showed : 
Specific gravity at eas .. 0°873 
Iodine value .. : aie -» 10°3-17°5 
Saponification wala : ase .. 242-255 
Titer test ua oie or .. 20°0-25°5° C. 
Hehner value ae a -» 911 
Reichert-Meissl test .. es -. 5:0-6°8 
16 and 17. Vatvz or PaLM-KERNEL OIL aNnD CaKkE.—Palm-kernel 
cake is sold at 7s. per cwt., and only 10 per cent. of the food ration 
is given to cows or calves for the first time. 
According to the Oil and Colours Journal, in September 1915 palm- 
kerne] oil was worth £37 10s. per ton first hand, and £48 in March 
1916. According to this journal it is the lowest priced of all the cakes. 
The price of the cake is £7 to £7 5s. per ton. 
The cake is sold at £7 5s. free on rail per ton at Hull. At the 
beginning of 1918 it was worth £13 15s. per ton, but in Surrey it could 
not be obtained under £21 per ton. 
Palm-kernel oil is worth about £40 per ton. 
At the beginning of 1918, palm-kernel oil extracted by solvents 
was worth £51 per ton; crushed, £52 per ton; refined, £67 per ton 
—which were the official maximum prices. 
17. Uszs or PaLM-KERNEL CaxE.—Kernels worked by solvents 
make a more digestible meal—80 per cent. against 73 per cent. of 
crushed kernels, and containing 19 per cent.-of protein and 2 per cent. 
of fat, against 18 per cent. of protein and 8 per cent. of fat for crushed 
kernels. It is used for feeding young pigs and milch cows in Germany. 
18. ResuLts oF FEEDING EXPERIMENTS WITH KERNEL CAKE.— 
The weekly gain in live weight with kernel cake ration was 8 lb. at 
the West of Scotland Agricultural College. The cost worked out at 
44d. per Ib., and 3 Ib. of kernel cake gave better results than 4 Ib. of 
bran. 
At the East of Scotland College, a gain of 2:04 Ib. per day was 
recorded, the cost. being £6 6s. per ton. 
