MILK 321 



similar to blood-serum, so that the glands, instead of yielding milk, only gave 

 b cod-serum or a serous fluid. HUSSON found the milk from cows sick with 

 murrain contained more proteids but considerably less fat and (in difficult 

 cases) less sugar than normal milk. 



The milk may be blue or red in color, due to the development of micro- 

 organisms. 



The formation of concrements in the exit-passages of the cow's udder are 

 often observed. They consist chiefly of calcium carbonate, or of carbonate 

 and phosphate with only a small amount of organic substances. 



