RATIONS FOR FARM ANIMALS 97 



Free Bulletins, U. S. Dept. of Agriculture 

 Farmers' Bulletins. 



No. 22. The Feeding of Farm Animals. 

 No. 36. Cotton Seed and Its Products. 

 No. 49. Sheep Feeding. 

 No. 58. The Soy Bean as a Forage Crop. 

 No. 170. The principles of Horse Feeding. 



Protein and Carbohydrates in Feed 



Pounds per Bushel. 

 Kind of Food. Protein. Carbohydrates. 



Dry peas 10 32 



Rye 5 39 



Barley : . . 4 32 



Corn 31/2 40 



Oats 3 19 



Table showing approximate amounts of protein and carbo- 

 hydrates required daily by farm animals of average size: 



Animal. Protein. Carbohydrates. 



Dairy cow 2 Ibs. 12 Ibs. 



Work horse 2 Ibs. 12 Ibs. 



Calves under 1 year 1 Ib. 6 Ibs. 



Pigs, growing i/ 2 Ib. 2y 2 Ibs. 



Lambs, growing 1-5 Ib. 1 Ib. 



NOTE: This amount varies with the size and age of 

 the animal. Fattening stock can be profitably fed a 

 greater allowance of carbohydrates in the form of grain, 

 like corn and barley. 



Problems 



1. How many pounds of protein in a bushel of oats? 

 With oats at 30 cents per bushel, what does this pro- 

 tein cost per pound, disregarding the carbohydrates ? 



2. How many pounds protein in a bushel of barley? 



