Massachusetts 

 agricultural experiment station 



CONTROL SERIES BULLETIN NO. 121 SEPTEMBER 1944 



Inspection of Commercial 

 Feedstuffs 



By Feed Control Service Staff 



Ttiis, the fiftieth report of feeding stuffs inspection, contains in addition to 

 information required by statute other data pertaining to the nutritive value of 

 feedstuffs. The protein quality index of meat and fish products; the calcium, 

 phosphorus, manganese, choline and riboflavin content of commercial feedstuffs; 

 and the carotene content of alfalfa products are also included. 



MASSACHUSETTS STATE COLLEGE 

 AMHERST, MASS. 



