Arizona Agricultural Experiment Station 287 



into two lots averaging 147 pounds. These animals were uniform and 

 received similar treatment from birth. Over a period of 64>4 days the 

 pigs were fed in a dry lot. Lot 1 received rolled barley and water, 

 while Lot 2 received rolled barley, Tepary beans and water, the grain 

 being mixed in equal proportions by weight. Rolled barley is not con- 

 sidered an especially palatable food for hogs, and it is unbalanced, being 

 deficient in protein. On the other hand the beans are rich in protein, 

 and according to its composition should be well suited for balancing the 

 rolled barley. It is thus shown that Lot 1 was fed a more or less 

 unbalanced ration while Lot 2 was fed a better balanced ration. 



The pigs were fed twice a day throughout the experiment. The 

 amount given Lot 1 was regulated according to the consumption of the 

 feed by the pigs receiving the mixture in Lot 2. Each lot was started 

 by giving it five pounds of the feed daily or approximately L66 pounds 

 per hundred pounds live weight. At the outset of the experiment 

 the pigs in Lot 2 did not take kindly to the Tepary bean mixture, and 

 did not make satisfactory gains. They carefully picked out the rolled 

 barley from the feed, and did not consume much of it. The next en- 

 deavor to induce the pigs to consume the Tepary bean mixture was 

 by grinding the rolled barley and the cracked beans finely and mixing 

 them thoroughly. This did not have the desired effect as the pigs 

 refused to eat the mixture and 12^^ pounds were weighed back. The 

 feed was made into a wet mash, but this did not increase its palatability. 

 The pigs in Lot 2 were apparently hungry and losing weight; they 

 became restless and rooted more in the ground than those in the 

 other lot. Fifteen days after beginning the experiment the beans were 

 cooked and mixed with rolled barley and the pigs ate them greedily. 

 After this the beans were eaten with relish, and it did not make much 

 difference whether they were ground or whole if cooked. It was found 

 that by soaking the beans overnight and cooking them about 30 minutes 



they were improved in palatability. 



Lot 1 Lot 2 



No. of (lavs in test 64% 64 1/2 



Total feed consumed 365 pounds 351.5 pounds 



Feed consumed dailv per animal 2.81 pounds 2.80 pounds 



Total cost of feed. .". $ 5.48 $ 7.91 



Total gains 64 pounds 42 pounds 



Average daily gain 99 pounds .65 pounds 



Food required per 100 lb. of .gain 570 pounds 837 pounds 



Cost to produce 100 lb. of gain $ 8.56 $18.83 



The pigs in the two lots were given the same amount of feed, 



namely, 365 pounds, but 12^' pounds were weighed back from Lot 2, 



before the beans were cooked. After this time the pigs consumed the 



same amount of feed which was gradually increased until each lot con- 



