20 PROTEIN REQUIREMENTS OF CATTLE: MITCHELL 



The values in Table 6 will be put to a practical use later when the 

 question of the chemical composition of gains at different ages is being 

 considered. 



The differences between the observed weights and the weights calculated from this 

 equation are as follows: 



Growth of Group I up to Nine Months from Bieth 



^ „-.-. =- 13.42 + 4.96t from which 



dt 



the first two values for the rate of growth in Group I, given in Tables 6 and 7, 



are calculated. 



