15 



Table 1.— Average composition of a number of feeding stuffs —Continued. 



Kind of food 

 material. 



MILL PRODUCTS — COn. 



Rye flour 



Pea meal 



Ground corn and oats 

 (equal parts) 



Percentage composition. 



Water, 



WASTE PKODUCTS. 



Corncob I 



Hominy chop ! 



Corn bran 



Gluten meal ; 



Gluten feed 



Oat feed 



Barley screenings — 

 Brewers' grains, wet.. 

 Brewers' grains, dried . 



Rye bran 



Wheat bran 



Wheat middlings 



W'heat shorts 



Wheat screenings 



Cotton-seed meal 



Cotton-seed hulls 



Linseed meal, old 



process 



Linseed meal, new 



process 



Beet-suga r molasses . . 

 Cane-sugar molasses. . 



Per ct. 

 13.1 

 10.5 



11.9 



10.7 



11.1 



8.7 



8.6 



7.8 



7.7 



12.2 



75.7 



8.0 



11.8 



n.9 



12.1 

 11.8 

 11.6 

 8.2 

 11.1 



9.2 



9.9 

 25.7 

 25.1 



Pro- 

 tein. 



Per ct. 



6.7 



20.2 



9.6 



2.4 



9.8 



9.8 



30.0 



23.4 



16.0 



12.3 



5.4 



24.1 



14.7 



15.4 



15.6 



14.9 



12.6 



42.3 



4.2 



32.9 



36.9 

 a 7. 3 

 a2.4 



Fat. 



Per ct. 

 0.8 

 1.2 



4.4 



.5 

 8.3 

 6.2 

 8.8 

 8.3 

 7.1 

 2.8 

 1.6 

 6.7 

 2.8 

 4.0 

 4.0 

 4.5 

 3.0 

 13.1 

 2.2 



7.9 



3.0 



Nitro- 

 gen- 

 free 

 ex- 

 tract. 



Per ct. 

 78.3 

 51.1 



Crude 

 fiber. 



Per ct. 



0.4 



14.4 



Digestible materials in 

 100 pounds. 



Ash. 



71.9 



30.1 

 3.8 



11.2 

 2.6 

 6.2 

 6.1 

 7.3 

 3.8 



13.0 

 3.3 

 9.0 

 4.6 

 7.4 

 4.9 

 5.6 



46.3 



8.9 



8.8 



Per ct. 

 0.7 

 2.6 



2.2 



1.4 

 2.6 

 5 

 8 

 1 

 7 

 6 

 



1 



3 



3 



1 



3.4 



3.5 



5.8 



3.3 



4.6 



2.9 



7.2 



2.8 



5.7 



5.6 

 8.8 

 3.2 



Pro- 

 tein. 



Lbs. 



Fat. 



Lbs. 



Nitro- 

 gen- 

 free 

 ex- 

 tract. 



Lbs. 



Crude 

 fiber. 



En- 

 ergy 

 in 100 

 lbs. di- 

 gesti- 

 ble 

 nutri- 

 ents. 



Lbs. 



7.3 .. 

 3.2 .. 



.58.2 

 69.3 



Calo- 

 ries. 



259, 182 

 298, 398 



a Largely nonalbuminoid nitrogenous materials. 

 6 Very largely sugars. 



COMPARATIVE VALUE OF FEEDING STUFFS. 



CEREAL GRAINS. 



It will be seen that the cereal grains re.semble each other quite 

 closely in composition, being characterized by fairly low water con- 

 tent and a considerable amount of protein and nitrogen-free extract. 

 Some crude fiber, derived from the outer or bran layer of the corn, is 

 also present. The superiority of one grain over another must there- 

 fore depend, in large measure, if it exists at all, on some factor other 

 than composition. It has been urged by many that oats possess a 

 peculiar stimulating body called "avenin," and are on this account 

 superior to other grains for horses. Oats undoubtedly possess a 

 flavor or some such characteristic which makes them a favorite food 

 with horses, but the most careful chemical study has failed to reveal 

 any substance of the nature of the theoretical avenin. Recent experi- 

 ments" have shown that the fat of oats and oat straw is more thoroughly 

 digested than that of other cereals. This is suggested as a possible 

 explanation of the superior feeding value of oats. 



aLandw. Jahrb., 29 (1900), p. 483. 



