236 PRODUCTIVE FEEDING OF FARM ANIMALS 
flesh by such feeding, and their milk production would be likely 
to suffer if forced by liberal feeding (Fig. 46). Nearly all dairy 
herds that have not been carefully culled will contain a considerable 
proportion of the latter kind of cows; in feeding a herd the in- 
NET RETURNS 
$124.22 on 52% 
‘ 
BEST TEN COWS POOREST TEN COWS 
Fie. 45.—The areas of the circles ap kg the average values of the products from 
the best ten or the poorest ten cows in the Wisconsin Dairy Cow Competition, 1909-11. 
(Wisconsin Station.) 
MAINTENANCE 
ales 
MAINTENANCE = MILK PRODUCTION 
INSUFICENT WIL 
MAINTENANCE MLK PRODUCTION 
ro e000 oar cows LM 
MAINTENANCE MILK PRODUCTION GAIN IN WEIGHT 
NO ON eer 
Fia. 46.—Liberal rations fed to cows of beefy tendencies produce a gain in weight; such 
fed to good dairy cows produce the largest production of milk of which they are capable. 
(Van Norman.) 
dividual cows must, therefore, be carefully watched lest they be 
fattened by the system of feeding adopted instead of increasing 
in their milk production. Regular weighing of cows, say once a 
month or oftener, is a valuable aid in the management of a dairy 
