I907-] 



Variations in Milk. 



"2 1 1. 



was much more uniform in composition than that at Rosslynlee, 

 as will be seen from the following figures : — 



Springfield. Rosslynlee. 

 Average Average 

 Percentage of Fat. Percentage of Fat. 

 Morning ... ... ... 3-95 ... yi$ 



Evening ... ... ... 3 "88 ... 3*91 



Difference 0*07 0*76 



In the next table the milk produced by cows in the herd at 

 Rosslynlee is valued at 6Jd. per gallon, and the figures serve 

 to illustrate the striking variations in the value of the produce, 

 which may be yielded by different cows in the same herd under 

 the'same conditions. 



Table III. — Showing the Value of the Milk Produced by each 

 Cow for the Year 1905-06. 



No. of 

 Cow. 



Age. 



Yield of Milk 

 in Gallons. 



Average Per 

 Cent, of Fat. 



Order. 



Value of Milk at 

 6%d. per gallon. 













£ s. d. 



7 



9 





3-12 



1st 



39 4 0 



3 



9 



1.207 



2-47 



2nd 



31 8 0 



23 



7 . 



1,089 



3 -8i 



3rd 



28 7 0 



22 



7 



991 



3"94 



4th 



25 16 0 



4 



7 



942 



3-56 



5th 



24 10 0 



19 





£92 



4* 02 



6th 



23 4 0 



20 



1 



861 



3-85 



7 th 



22 8 0 



2 





841 



4"oi 



8th 



21 18 0 



17 



6 



801 



3 "79 



9th 



20 17 0 



21 



7 



788 



4'35 



10th 



20 10 0 



5 



7 



772 



3'5« 



nth 



20 2 0 



8 



7 



767 



3-65 



1 2 th 



19 19 0 



24 



1 



743 



3-65 



13th 



19 7 0 







655 



4-19 



14th 



17 1 0 



9 





638 



3-23 



15th 



16 12 0 



11 





478 



3'37 



1 6th 



12 9 0 



Average. 

 £ s. d. £ s. d. 



Total for first five ... ... 149 5 o ... 29 17 o 



last five ..." ... 85 8 0 ... 17 1 o 



Difference ... 63 17 o ... 12 16 o 



The difference in value of the produce of the best and the 

 worst cows, respectively, is over £26 ; the average of the first 

 five is £29 17s., and of the last five £iy is. — a difference of 

 £12 16s. It is hardly necessary to emphasize the significance 



o 2 



