7 



Issued February 15, 1912 



U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ANIMAL INDUSTRY.— Bulletin 143. 



A. D. MELVIN, Chief of Bureau. 



THE MAINTENANCE RATIONS OF 



FARM ANIMALS. 4 9* 



TtTI 



BY 



HENRY PRENTISS ARMSBY, Ph. D„ LL. D., 



Director of the Institute of Animal Nutrition of The Pennsylvania 

 State College; Expert in Animal Nutrition, 

 Bureau of Animal Industry. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE. 

 1912. 



