420 FUNDAMENTALS OF AGRICULTURE. 



Medium Ration. A ration with a nutritive ratio 

 between i 15.5 and i :8.o is called a medium ration. 



A MEDIUM RATION 



Digestible Digestible Digestible 

 Dry Matter Protein Carbohydrates Fat 

 3 Ibs. dried brew- 

 ers' grains 2.754 -471 1.089 -153 



6 Ibs. wheat mid- 

 dlings 5. 274 .768 3.180 .204 



15 Ibs. corn stover. 11.580 .420 6.345 IO 5 



5 Ibs. alfalfa hay. . 4 . 580 . 550 i . 980 . 060 



29 Ibs. Total 24.188 2.209 I2 -594 -5 22 



Nutritive ratio, i :6.2 



Amounts of Protein and Carbohydrates for Feed- 

 ing. i. Young animals and dairy cows. In feeding 

 young stock it is necessary to supply a ration that will 

 build up and enable them to put on flesh. In the pro- 

 duction of milk from the dairy cow it is also important 

 that the ration be such as to produce a good flow of 

 milk. In other words a narrow ration is necessary 

 for young growing animals and dairy cows. 2. Fat- 

 tening animals. Rations containing relatively large 

 amounts of carbohydrates are required for laying on 

 fat. As previously stated the carbohydrates are 

 changed into fat in the process of digestion. There- 

 fore a wide ration is the proper one to feed for fat- 

 tening animals. Animals doing little or no work 

 should also receive fairly wide rations. They do not 

 expend much energy, and must simply be kept in con- 

 dition. 3. Hardworking mature animals. A me- 

 dium ration has been found to be the best for this class 

 of stock. 



EXERCISE. Choose some feeds common to your section and com- 

 pute narrow, wide and medium rations. 



SECTION LXX. How TO IMPROVE A RATION. 



A Common Ration. A herd of dairy cows is re- 

 ceiving the following ration per day of twenty-four 

 hours, per 1,000 Ibs. live weight: 5 Ibs. cotton-seed 



