Value of Various Feeding Stuffs. 



349 



first and later corn-and-cob meal. Lots II and III were fed timothy 

 hay and corn stover for roughage. Lot I was fed clover hay, a nitrog- 

 enous roughage, and Lot III gluten meal, a nitrogenous concentrate. 

 During the trial an average of 5.5 pigs, averaging 131 Ibs. each, ran 

 with each lot of 13 steers. The ration and returns are given in the 

 table : 



Value of nitrogenous supplements in corn feeding. 



The table shows that when getting substantially the same allow- 

 ance of corn-and-cob meal the steers of Lot I, receiving clover hay, 

 made a daily gain of 2.5 Ibs. each, while those of Lot II, given tim- 

 othy hay and corn stover, gained only 1.9 Ibs. daily, or 0.6 Ib. less 

 per steer. The 13 steers of Lot I, getting clover hay, gained over 

 1,000 Ibs. more than those of Lot II, getting timothy hay and corn 

 stover. The pigs following the clover-fed steers also gained more 

 from the droppings than those following the steers fed timothy hay 

 and corn stover. (554) Comparing Lots II and III we learn that sub- 

 stituting 2.6 Ibs. of protein-rich gluten meal for 3.9 Ibs. of corn-and- 

 cob meal caused each steer in Lot III to gain 0.4 Ib. more daily, with 

 a total increased gain for the lot of over 600 Ibs. 



It is evident from this and the preceding trial that wiiere carbo- 

 hydrate-rich feeds, like corn, timothy hay, and corn stover, are used, 

 the addition of a nitrogenous feed, like clover hay, gluten meal, or 

 oil meal, materially increases the efficiency of the ration. Mumford 

 reports that when slaughtered the steers fed timothy hay without 

 a protein-rich supplement showed a high percentage of internal fat, 

 without a corresponding percentage of dressed beef a most signifi- 



