rEi:ui.\G Ai\i 



•ATTlilSlNG 



11 



for the lot being 2.5 pounds. During- the first week after 

 birth the pigs made a gain of 1.9 pounds. Overlooking 

 irregularities, we may say that the pigs made a weekly 

 gain of three pounds per head the fifth week after birth, 

 four pounds the seventh week, and five and one-half 

 l)ounds the tenth week. At the end of the seventh week 

 after weaning, when 119 days old, they were gaining 

 more than seven pounds each w-eekly, or over a pound 

 a day." 



Professor Henry also collected the records of all 

 the American experiment stations relati\e to weights 

 and gains of pigs and the feed consumed so far as pub- 

 lished prior to the compilation of his book in 1897, em- 

 bodying in that work practically all the data recorded 

 in America up to that time on the subjects comprehended, 

 and as summarized in the following table : 



WEIGHT, FEED CONSUMED AND GAINS MADE BY PIGS 

 DATA FROM MANY AMERICAN EXPERIMENTS 



