FEEDS FOR SWINE 655 



Adding standard middlings to corn and tankage* 



Daily Feed for 100 Ibs. gain 



gain Corn Tankage Middlii 



Lbs. Lbs. Lbs. Lbs. 



Average ration gain Corn Tankage Middlings 



Lot /, Tankage, 0.65 Ib. Corn, 6.4 Ibs ... 1 . 52 422 43 



Lot II, Middlings, 1.94 Ibs. 



Tankage, 0.49 Ib. Corn, 5.0 Ibs ... 1 . 67 293 30 120 



*Av. of 5 trials by Waters, Kinzer, Wheeler, Wright, and King (Kan. Bui. 192) ; 3 by Weaver (Mo. 

 Bui. 144); and 1 by Loeffel, Nebr. Station, (Information to the authors). 



In each of these trials, except one, adding middlings to the ration of 

 corn and tankage increased the gains. On the average the pigs fed 

 middlings gained 1.67 Ibs. a day, while the others fed only corn and 

 tankage gained 1.52 Ibs. In these trials 100 Ibs. of middlings fully 

 replaced 108 Ibs. of corn and 11 Ibs. of tankage. Thus, with these feeds 

 at the prices stated previously, middlings were worth $28.20 a ton, or 

 nearly 20 per ct. more than when fed in the relatively inefficient ration 

 of middlings and corn. 



In 6 trials 90 with young pigs averaging 67 Ibs. in weight at the start, 

 fed in dry lot, self -feeding wheat middlings in addition to corn and 

 tankage did not make much improvement, and middlings were worth 

 only about $21.40 a ton with corn at 56 ct. a bu. and tankage at $60 

 a ton. For such young pigs in dry lot, adding a little legume hay to the 

 ration of corn and tankage seems to be much preferable to adding 

 middlings. (966) 



971. Flour wheat middlings; red dog flour. Flour wheat middlings 

 are preferred to standard middlings, or shorts, for young pigs, because 

 they contain less fiber. Considering their higher content of both di- 

 gestible crude protein and of total digestible nutrients, flour wheat 

 middlings of a good grade are worth at least 13 per ct. more than 

 standard middlings. Quite possibly for very young pigs there is even 

 more difference in the feeding value. (220) 



Red dog flour is fed commonly only to young pigs which need pala- 

 table, highly digestible feed, containing little fiber. The feeding value 

 does not differ widely from that of the best grades of flour wheat 

 middlings. (219) 



972. Wheat bran; wheat mixed feed. Wheat Iran is too bulky to be 

 fed in any large amount to fattening pigs, middlings being worth much 

 more. Where clover or alfalfa hay, roots, or other cheap bulky feeds are 

 not available, a limited amount of bran is excellent for brood sows, as it 

 is bulky and also laxative. (218) 



A good grade of wheat mixed feed (ship stuff) which contained all 

 the middlings, was satisfactory when fed with an equal weight of corn 

 meal to fattening pigs in a trial by Good of the Kentucky Station. 91 

 (221) 



973. Linseed meal. Linseed meal is quite widely used as a protein- 

 rich feed for swine, especially in the northern states, and gives excellent 



^Ferrin and Winchester, Kan. Cir. 78; Loeffel, Nebr. Station, information to 

 the authors ; Rice and Laible, 111. Station, information to the authors ; Robison, 

 Ohio Bui. 356. "Ky. Bui. 175. 



