LIVE STOCK. 87 



Increase in Feed. pigs required 3.10 lbs. of meal per 



lb. gain. Increasing from 82 to 115 

 Prof. G. E. Day, O. A. C, Guelph, ibg. shotes required 3.75 lbs. of 

 showed in experiments that the nieal per lb. gain. Increasing from 

 quantity of feed consumed per 100 115 to 148 lbs. hogs required 4.38 

 lbs. increase in hogs increases rapid- ibs. meal per lb. gain. Increasing 

 ly with the weight. from 148 lbs. to 170 lbs. hogs re- 

 Increasing from 54 lbs. to 82 lbs. quired 4.55 lbs. of meal per lb. gain. 



AGE AND WEIGHT OF STEERS SLAUGHTERED AT SMITHFIELD, ENG. 



Age Average Live 



CLASS in Daily Weight at Dressing 



Days Gain Slaughter Per Cent. 



Short-horn, 1 year old 642 2.11 1355 66.13 



2 year old 963 1.92 1842 67.48 



3 year old 1321 1.7 2251 69.38 



Hereford, 1 year old 663 1.97 13.8 65.08 



2 year old 1020 1.78 1817 67.15 



3 year old 1349 1.64 2218 69.18 



Devon, 1 year old 634 1.75 1112 66.01 



2 year old 1045 1.51 1583 67.73 



3 year old 1311 1.37 1796 67.32 



Aberdeen- Angus, 1 year old 668 2 . 04 1366 65 . 37 



B2 year old 1008 1.74 1765 66.67 



3 year old 1346 1.50 2138 67.39 



Sussex, 1 year old 677 2.15 1452 65.42 



2 year old 989 1.86 1837 68.18 



3 year old 1285 1.61 2064 67.98 



Red Polled, 2 year old 1002 1.64 1631 65.73 



3 year old 1362 1.49 2022 65.77 



Galloway, 2 year old 1027 1.64 1688 64.45 



3 year old 1344 1.47 1969 64.84 



TABLE I. GRADING-UP A SCRUB HERD 



Disappearance of unimproved blood by the continuous use of pure bred sires on succed- 



ing generations. 



Sires Dams Offspring 



a Principles of Breeding by Davenport, p. 602. 



