CALF FEEDING IN ALABAMA AND MISSISSIPPI. 



25 



tion of his cattle and the available feeds, he can determine easily 

 which feeds it will be most profitable to use, if he is given the data 

 showing the amount of feed required to make 100 pounds of gain 

 and the effects of such feeds on the quality of the carcass and knows 

 the selling price of the animal. 



Table 13. — Quantity and cost of feed required to make 100 pounds of gain 

 (Nov. 13, 191//, to Apr. 5, 1915, 1^3 days). 



Lot 

 No. 



Ration. 



Feed to 

 make 100 

 pounds 

 of gain. 



Cost of 



100 



pounds 



gain. 







Pounds. 

 214 

 346 

 774 

 207 

 172 

 86 

 309 

 690 

 191 

 112 

 225 

 331 

 753 

 217 



J 









1 





[ S6. 34 







J 









9 



Corn-and-cob meal, one-third 



[ 6.34 













1 







^ 









3 





[ 7. 40; 

















_ 





There is not a great variation in the amount of roughage required 

 to make 100 pounds of gain on the calves of the various lots. Each 

 lot received the same roughage. The calves of lots 1, 2, and 3 re- 

 quired 1,327, 1,190, and 1,303 pounds of roughage, respectively, to 

 make 100 pounds of gain in live weight. The calves of lot 1, which 

 consumed a small amount of concentrate per day, ate more rough- 

 age than either of the other lots and likewise they made a greater 

 gain in weight than the calves of lot 3. The calves of lots 1 and 3 

 required about 100 pounds more roughage to make 100 pounds of 

 gain than the calves of lot 2. 



Since all the calves received the same kind of roughage and re- 

 quired about the same amount of roughage to make 100 pounds of 

 gain, a direct comparison can be made of the concentrates. 



When cottonseed meal was the sole concentrate the calves (lot 1) 

 required 214 pounds to make 100 pounds of gain. The calves of 

 lot 2 required 172 pounds of cottonseed meal and 86 pounds of corn- 

 and-cob meal to make the same amount of gain, whereas the calves 

 of lot 3 required 112 pounds of cottonseed meal and 225 pounds of 

 corn-and-cob meal. 



In this test, when one-third of the cottonseed meal was replaced 

 by an equal amount of corn-and-cob meal each pound of cottonseed 

 meal proved to be equal to 2.05 pounds of corn-and-cob meal, and 

 when two-thirds of the ration was made up of corn-and-cob meal 

 each 1 pound of cottonseed meal proved the equivalent of 2.21 

 pounds of corn-and-cob meal. This result has been in keeping with 

 16709°— 18— Bull. 631 i 



