10 
BULLETIN 1042, U. S. DEPARTMENT OF AGRICULTURE. 
three years was 302 days, of which 134 days were in the winter, or 
feeding period, and the remaining 168 in the summer, or grass pe- 
riod. The heavy black vertical line near the center of the chart 
marks the dividing line between the winter and summer periods. 
Vertical distance on the chart represents changes in live weights 
of the calves. The weights corresponding to each of the horizontal 
lines are given along the left side of the chart. 
Figure 6, for Lot 1, shows that the calves gained in weight very 
uniformly for the three years. They lost in weight only during the 
IS* 
Fig. 6. — Annual results of winter and summer (grass) feeding for Lot 1. These cal\es 
were fed the following ration during the winter : Corn silage, 12.3 pounds ; rye hay, 3.9 
pounds ; cottonseed meal, 0.6 pound. 
last 22 days of the winter period of 1917-18 and the dry month of 
August, 1917. 
Figure 7, for Lot 2, shows that the calves gained in weight uni- 
formly for the three years, except that the summer gains for 1916-17 
were considerably greater than for the two subsequent years. They 
also lost in weight during the last part of the winter period of 
1916-17 and during the last 28 days on grass in 1918-19. 
Figure 8, for Lot 3. shows that the calves gained in weight 
uniformly for the three years, except the periods just before and 
