42 MAINE STATE COLLEGE 



(10.) The butter value of a given volume of cream has 

 proved to be less in September than March, with such ani- 

 mals as were approaching the time of parturition. 



(11. The skimmed milk has contained on the average 62 per 

 cent, of the solid matter of the milk, and the butter milk, 9 

 per cent. At the present prices of cattle foods, the 639 lbs. 

 of dry matter left in the dairy waste products from a single 

 cow was worth for feeding purposes two cents per pound. 



(12.) The annual waste of butter fat in the skimmed milk 

 has varied with the different cows from 10.8 lbs. to 66.1 lbs., 

 or from 3.1 per cent, to 25.6 per cent, of the total fat. The 

 waste in the butter milk has ranged from 1.5 lbs., to 5.2 lbs., 

 or from .45 per cent, to 2.4 per cent, of the total fat. This 

 waste has been least with the Jerseys and greatest with the 

 Ayr shires. 



