Mucilage, sugar, and extractives 12.52 5.84 Digestible fiber 38.96 39.14 Indigestible woody fiber 34.76 37.28 ------- ------- 100.00 100.00 The difference in the total nitrogen in the grass and silage is equal to 0.68 per cent. of albuminoids. Practically it is a matter of impossibility that the nitrogen could have increased in the silo, and it will be a very safe premise upon which to base any further calculations that the total amount of nitrogen in the silage was identical with that in the grass. There may have been a loss, but that is not yet proved. Arguing then upon the first hypothesis, it is evident that 100 parts of the organic matters of silage represent more than 100 parts of the organic matter of grass, and by the equation we obtain 10.75:11.43 :: 100:106 approximately. If now we calculate the composition of 106 parts organic matter of grass, it will represent exactly the organic matter which has gone to form 100 parts of that present in silage. The following table gives these results, and also the loss or gain in the various constitutents arising from the conversion into silage: _Organic Matter_. In 106 pts. In 100 pts. Loss or Grass. Silage. Gain. Fat (ether extract) 3.19 6.31 +3.12 Soluble albuminous compounds 3.49 7.01 +3.52 Insoluble " " 7.91 4.42 -3.49 Mucilage 13.27 5.84 -7.43 Digestible Fiber 41.30 39.14 -2.16 Indigestible woody fiber 36.84 37.28 +0.44 ------- ------- 106.00 100.00