Studies in Milk Secretion. 



529 



Average Production. 



The average production of all the cows for each year is given 

 in Table II, together with the highest and lowest records for that 

 year. These records were selected according to the relative pro- 

 duction of butter-fat and without regard to the yield of milk. 

 Since most of the cows are fresh in the Fall, the " dair}^ year " 

 is considered to run from September first to August thirty- first 

 and the averages are for the production of the cows during 

 that period. 



Table II. — Average Product of Milk and Fat. 



From this table it is seen that the largest production of fat for 

 any one year was 435.38 pounds. This was from 10,625.25 

 pounds of milk containing an average of 4.1 per cent fat. The 



