6 



BULLETIN 1069, TJ. S. DEPARTMENT OF AGRICULTURE. 



yearly butterfat production was 251 pounds, or about that of the 

 average association cow, had an average income of $57.82 over cost 

 of feed, or more than twice as much. Income over cost of feed per 

 cow is what remains for labor, miscellaneous expenses, and profits. 



$ 140 





































































//O 



too 



& 90 

 k 70 



^ so 



\ *> 



* ao 





















































































































































































































































/o 



o 



-/o 





































































SO IOO /SO 200 250 300 3SO 400 4SO SOO 

 POUNPS OF BUTTERFAT PER COPY 



Fig. 3. — Relation between butterfat production and income over cost of feed. 



Figure 3 shows in graphic form the relation of butterfat produc- 

 tion to income over cost of feed as recorded for the larger groups in 

 Table 2. 



