170 RESULTS OF EXPERIMENTS IN SWINE FEEDING 
ration, and they show to best advantage when used to 
lighten and give more bulk to a heavy, closetextured meal, 
such as pea meal, or even corn meal. They are especially 
useful for making up part of the ration of boars or breeding 
sows, where the aim is to maintain vigor without unduly 
fattening. 
Rye.—Extensive Danish experiments, summarized by Pro- 
fessor Henry in ‘ Feeds and Feeding,” indicate that rye and 
barley are about equal in value for pig feeding. Very little 
experimental work with the grain of this cereal has been done 
in America. Rye meal is best fed in combination with other 
kinds of meal. 
Kafir—At the Kansas Experiment Station, it was found 
that corn meal had a feeding value of from 17 to 29 per cent 
higher than kafir meal. The addition of soy-bean meal to kafir 
to the extent of one-third of the ration materially improved its 
value, but did not make it equal to a similar mixture of corn 
meal and soy-bean meal. (Fig. 43.) 
Buckwheat.—The (‘entral Experimental Farm, Canada, re- 
ports two trials in which buckwheat was compared with wheat. 
In the first trial, ground buckwheat was fed against ground 
wheat, and in this trial 445 pounds of ground buckwheat were 
required for 100 pounds gain, and 410 pounds ground wheat 
for 100 pounds gain. 
In the second trial, one lot of pigs was fed a mixture of 
one-half ground buckwheat and one-half mixed meal, and the 
other lot a mixture of onehalf ground wheat and one-half 
mixed meal. In this trial it required 405 pounds of the buck- 
wheat mixture for 100 pounds of gain, and 380 pounds of 
the wheat mixture for 100 pounds of gain. This is a much 
better showing for buckwheat than might be expected, since 
buckwheat has a thick, fibrous hull which the hog cannot digest, 
