426 



A STUDY OF FARM ANIMALS 



hydrate as corn. Wheat middhngs is a popular concentrate 

 used in fattening hogs, but Prof. Evvard states* that in the 



tests at the Iowa sta- 

 tion they have found 

 that it takes about 150 

 pounds of wheat mid- 

 dlings and tankage, 

 when fed on good past- 

 ure, to produce the 

 same amount of gain as 

 100 pounds of shelled 

 corn and tankage. One 

 of the difficulties with 

 the wheat middlings, 

 especially if of a low 

 grade, is that it does 

 not contain enough net 

 energy units for each one 

 hundred pounds. The 

 adaptability' of the hog to consuming a wide range of 



Figure 199. — Chart showing result of hog 

 feeding trials at the Purdue University 

 Experiment Station, showing advantage 

 ffom feeding skimmilk to fattening hogs. 

 Reproduced from "The Cow the Mother of 

 Prosperity," International Harvester Co. 



Figure 200. — Two lots of hogs fed at the Ohio Experiment Station. The 

 two at the left were fed corn alone in dry lot, those at the right corn and 

 tankage. Photograph from Ohio Experiment Station. 



food stuffs makes the subject of fattening a relatively 

 simple matter. Over much of the United States corn is 



♦Hampshire Swine Association pamphlet, 1921. 



