10 



BULLETIN 1042, U. S. DEPARTMENT OF AGEICULTUEE. 



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 betAveen 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 





ess 

 ees 



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Fig. 6. — Annual results of winter and summer (grass) feeding- for Lot 1. These cahes 

 ■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 Avinter period of 191T-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 

 Avere 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 Aveight 

 uniformly for the three years, except the periods just before and 



