154 ELEMENTARY TREATISE ON STOCK FEEDS AND FEEDING 



How to Reduce the Cost of a Ration. John Smith has a large 

 farm and he is feeding his 15 horses which weigh 1,000 Ibs., that 

 are doing hard work, the following ration. 



Dry mattei 

 pounds 



Digestible 

 protein 

 pounds 



Digestible 

 carbohy- 

 drates 

 pounds 



Digestible 



fat 

 pounds 



8 Ibs. oats 



4 Ibs. shelled corn. 



6 Ibs. wheat bran 



10 Ibs. timothy hay 



28 Ibs. total, 



Ration . . 

 Standard 



7.120 

 3.576 

 5-286 

 8.680 



24.662 



24.662 

 23- 



0.736 

 0.312 

 0.726 

 0.280 



2.054 



2.054 

 2-3 



3-784 

 2.672 

 2.352 

 4.340 



13.148 



14-9705 

 14-3 



0.336 

 0.172 

 0.162 

 0.140 



0.810 



Nutritive 

 ratio 



I-.7-3 

 1:6.2 



Cost of the Ration. Let us learn what it is costing John Smith 

 to feed his horses. The following are the market prices of some 

 of the feeds which are available to John Smith. 



Per ton of 2,000 

 pounds 



Oats 135-00 



Shelled corn 28.00 



Wheat bran 25.00 



Timothy hay 18.00 



Crab grass hay 15.00 



Cotton-seed meal 26.00 



Corn and cob meal 22.00 



Oats cost $35 per ton of 2,000 Ibs. One pound of oats costs 

 $0.0175. Then 8 Ibs. will cost 8 X 0.0175 = $0.14. In a simi- 

 lar way the cost of the shelled corn, wheat bran and timothy 

 hay are calculated. 



Cost 



8 Ibs. oats $ o. 14 



4 Ibs. shelled corn 0.056 



6 Ibs. wheat bran 0.075 



10 Ibs. timothy hay 0.090 



Total cost per day's ration =$ 0.361 



