FEEDING SWINE 



427 



the chief concentrate used, but in the Northwest, on the 

 Pacific slope, in Canada, and Europe barley is com- 

 monly used, and is regarded as making the best grade 

 of pork. In the West and Southwest Kafir corn is a 

 satisfactory substitute for corn, while in much of the South 

 peanuts are becoming an important factor in fattening hogs. 

 Peanuts, however, produce a soft pork, and so must be fed 

 with care. Cottonseed meal has been fed to some extent; 

 but, as it contains an ingredient poisonous to hogs, it is unsafe 

 as a hog feed, excepting in very small amounts for periods not 



Figure 201. The self-feeder for hogs. Photograph from The Farmer. 



exceeding 40 days. Meat meal, or tankage, on account of 

 its high per cent of protein and its freedom from carbohy- 

 drates, makes an invaluable material for using with corn, 

 barley, rice, and millstuffs of similar composition. 



The self-feeder for swine has come into great popularity 

 in recent years. This is a b.ox-like arrangement, with the 

 back vertical, and the front at a slant after the style of a 

 letter V. The food is placed in the wide top, and gradually 

 sifts out at the bottom point into a feed trough. Self- 

 feeders contain two or more compartments, a different 



