39 



Section 3. Good cotto7iseed meal must -be finely ground, of sweet 

 odor, reasonably bright in color, and by analysis must contain at 

 least 7 per cent of ammonia (36.00 per cent protein) or 43 per cent 

 of combined protein and fat.* 



Nitrogen, A.mmonia and Protein Equivalents. 



Nitrogen, ammonia and protein are relative terms as both ammo- 

 nia and protein are determined from the nitrogen content of the 

 meal. 



One per cent of nitrogen equals 1.2 per cent ammonia equals 6.25 

 per cent of protein. 



One per cent aminonia equals .83 per cent nitrogen equals 5.2 per 

 cent protein. 



One per cent protein equals .17 per cent nitrogen equals .20 per 

 cent ammonia. 



AVERAGE ANALYSES AND RETAIL PRICES. 



No. Samples, 

 Protein (per cent). 

 Fat (per cent), 

 Price a ton. 



No. Samples, 

 Protein (per cent), 

 Fat (per cent), 

 Price a ton, 



Hi^h Grades. Medium Grades- High and Medium 



Grades. 



1907. 1907. 1907. 



High Grades. Medium Grades. High and Medium 



Grades. 

 1908. 1908. 1908. 



