404 



The Feeding of Animals 



Eelatlon of food to product 



Diges- Diges- Diges- 

 tible oi-g. til)le org. tible org. 

 substance substance substance 

 Number produc- produc- producing 

 of Number ingllb. ing 1 lb. lib. in- 

 expei-i- of increase increase crease 

 ments animals live wt. carcass edible sol. 

 lbs. lbs. lbs. 



Milk, average 61 391 .72 5.55 



Milk, New York* 113t 30 .63 4.85 



Steers, average :"2 242 7.40 12. 36.3 



Steers, la., growth 9 to 24 m. i 5 5.97 9.33 28.1 



Steers, Kansas, 3 years old. 1 8 8.08 13.16 39.6 



Steers, Maine 1 4 6.65 11.5 35.7 



Sheep and lambs, average.. 11 122 7.20 14.2 37.9 

 Lambs, Iowa, growth while 



fattening 2 133 5.63 10.43 30.9 



Swine, t average 277 1,385 3.29 4. 6.4 



Pigs, Iowa 1 56 3.03 3.89 6.2 



Calves, average 3 30 1.57§ 2.70 12.3 



Fowl, large, to 5 or 6 mos. II 6 5.10 6.30 23.4 



Fowl, small, to 5 or 6 mos. II 6 5.10 6.50 24.2 



Chickens, broilers, 12 wks. II 15 3.48** 4.20 28.8 



Eggsll 14 139tt 4.56tt 5.10 19.6 



The figures of the foregoing tables can be regarded 

 as being trustworthy for average conditions. They are 

 obtained from the recorded data of experiment stations, 

 and involve a large number of observations with dairj^ 

 cows and with growing and fattening animals. 



In most cases the amount of digestible matter in 



* Extending over seven years. 

 t Short periods. 



I Deduced from compilation by Dr. Armsby for U.S. Dept. of Agriculture. 

 § Dry matter, mostly from milk, practically all digestible. 



II Unpublished data from experiments at the New York Agri. Expt. Station. 

 *"'=4.3.3 lbs. dry matter, assumed to be 80 per cent digestible. 



tt Egg product, 100 eggs per year. 



XX8 5.70 lbs dry matter, assumed to be 80 per cent digestible. 



