AGRICULTURAL EXPERIMENT STATION. 



119 



The percentage of casein, albumen, etc., has been obtained by 

 multiplying the percentage of nitrogen by 6.33. The percentage 

 of sugar has been calculated by difference, but not until after this 

 method was compared with actual gravimetric determinations. 



The analysis shown in the tables below include the milk of from 

 forty-five to sixty daj^s. The averages for the periods of five 

 days and for the whole year, are given : 



Table Showing The Composition of Milk fkom Holstein, 

 Ayrshire and Jersey Cows. 



Jans JE . — ( Holstein. ) 



June 18-22 



July23-27 



August 27-31 



September 24-28 



October 22-26 



November 19-23 



December 17-21 



January 21-2.5 



February 25-March 1 



April 1-6 



April 29-May 3 



June 3-7....' 



Averagre 



Nancy Avondale 







J) 





a" 



"S 



.S 



be 



r. 



< 



/o 

 .75 



o 



cz. 



% 

 12.82 



/o 

 3.J3 



/o 

 5.12 



11.44 



.75 



2.84 



4.86 



11. n6 



.75 



3 03 



4.67 



11.65 



.75 



2.98 



4.75 



11.9.T 



.75 



3.10 



4.74 



12.29 



.75 



3.13 



4.80 



12.17 



.75 



3.04 



4.81 



12.43 



.75 



3.12 



4.98 



12..0.T 



.75 



3.29 



5.04 



12.58 



.75 



8.24 



5.11 



18.07 



.75 



3.65 



5.24 



18.23, 

 12.81 



.75 



3.76 



5.02 



.75 



3.22 



4.92 



flH 



/o 

 3.52 

 2.98 

 3.11 

 3.15 

 3.46 

 3.62 

 3-57 

 3.57 

 3.46 

 3.48 

 3.43 

 3.71 



3.42 



— (Ayrshire.) 



June 18-22 



July 23-27 



August 27-31 • . . 

 September 24-28 

 October 22-26 . . . 

 November 19-23 

 December 17-21. 



April 1-6 



April 29-May 8. 

 June 3-7 



Average • 



X 



/o 

 12. ()4 

 11.79 

 11.93 

 12.36 

 18.04 

 14.57 

 14.78 

 18.88 

 12.34 

 12 04 



12.94 



/o 



-75 

 .75 

 .75 

 .75 

 .75 

 .75 

 .75 

 .75 

 .75 

 • 75 



O 



In 

 3.40 



cc 



89 

 21 

 26 

 63 

 24 j 

 26 1 

 25 

 12 



3-09 



/o 

 5.14 

 4.47 

 4.60 

 4.96 

 4.99 

 5.81 

 5.52 

 4.95 

 5.25 

 5.16 



3.48 5.03 



0/ 



3.35 

 3.18 

 8.37 

 3.39 

 3.67 

 4.27 

 4.25 

 4.92 

 3 24 

 3.05 



3.67 



