COOPERATIVE BULL ASSOCIATIONS. 
7 
association, therefore, offers an excellent opportunity for intelligent, 
long-continued line breeding. Skillful mating, when combined with 
careful selection of the best animals, makes great improvement 
possible. 
ELIMINATION OF THE SCRUB. 
k igure 2 shows a scrub bull. Every farmer will recognize the 
type, and certainly he would not want to breed his cows to such a 
scrub. A bull similar to the one shown was sold for $8 when a year 
old. The hide alone of a good yearling bull should easily bring 
half as much. The bull association eliminates the scrub bull and 
economically substitutes such bulls as the one shown in figure 3. 
COMMUNITY BREEDING ENCOURAGED. 
Ten years ago a farmer in northern Wisconsin began to breed 
Guernseys in a Holstein district. He now has a fine herd and 
wonders why buyers never come his way. The reason is that when 
buyers want Guernseys they naturally go to a Guernsey district. As 
a rule, the breeders of pure-bred cattle already have learned this 
lesson. The principle is as true of grades as of registered stock, 
but many owners of grade cattle seem to have overlooked it. All 
