PHASES IN THE LIFE OF THE INDIVIDUAL 707 



increase during the first two years is 1"5 lbs. With the sheep 

 the increase is greater, for a young lamb in ten days can add fifty 

 per cent, to its original weight, and can double it at the end of the 



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I'iG. 177. — (From Minot's Problem of Age, Growth, and Death, 

 G. S. Putnam & Sons, and John Murray.) 



first month, and treble it at the end of the second. In pigs, 

 however-, the increase is even more rapid, for a young pig can add 

 twenty per cent, to its original weight by the end of the first week, 

 and up to the end of the first year can add an average daily increase 

 of 0-44 lb. 



