FOOD AND FEEDING 655 



for dry fodder. In 100 lbs. of hay there are approximately 

 digestible : 



Protein 5.4 lbs. 



Fat 1.2 " 



Carbohydrates , 40.4 " 



Clover hay has double the amount, and rowen or after- 

 math about one-third more protein than is contained in 

 ordinary meadow hay. Oats may be selected as a standard 

 of comparison for grains. 100 lbs. of oats contain of diges- 

 tible nutrients as follows : 



Protein 10.0 lbs. 



Fat 4.5 ' 



Carbohydrates 45 . ** 



Corn yields slightly less protein and considerably more 

 carbohydrates and fat, while cottonseed meal contains nearly 

 three times as much protein, and four times as much fat as 

 are found in oats. Bran (or shorts) has approximately the 

 same chemical composition as oats. The straw of wheat, 

 barley, rye, oats, and corn have a somewhat similar value. 

 In 100 lbs. of wheat straw there are digestible : 



Protein 0.8 lbs. 



Fat 0.3 " 



Carbohydrates 36.00 ** 



In order to compare the composition of food with that 

 of the tissues into which it is converted, we submit the 

 following : 



PERCENTAGE COMPOSITION OF LIVE ANIMAL. 

 IN 100 LBS. OF LIVE OX THERE ARE : 



Protein 8.7 lbs. 



Fat 19.3 " 



Ash 5.9 " 



Water 66 2 " 



Certain of the fodders are especially adapted or other- 

 wise for the various domestic animals. Green clover is 

 prone to fermentation and the formation of flatulency if 

 given in large quantities to any animal. A sudden change 



