Sept. 15, 1919 



Variation in Milk of Ayrshire Cows 



297 



Table II. — Frequency distributions for variation in percentage of fat in ike milk of Ayr- 

 shire cows — Continued 



Fat 

 percentage. 



2.85. 



2-95 • 

 30s. 

 3-iS- 

 3-35- 

 3-3S- 

 3-4S- 

 3-SS. 

 3-6s. 

 3-75 • 

 3-8s. 

 3-95 • 

 4-05. 

 4-iS. 

 4-35. 

 4-45 ■ 



Total . 



12-year-old cows. 



1908. 



Fre- 

 quen- 

 cy. 



Per- 

 cent- 

 age. 



4.00 

 8.00 

 8.00 

 8.00 

 10.00 

 14.00 

 14.00 

 14.00 

 8.00 

 2.00 

 2.00 



Fre- 

 quen- 

 cy. 



Per- 

 cent- 

 age. 



Combined 

 years. 



Fre- 

 quen- 

 cy. 



Per- 

 cent- 

 age. 



3-45 

 .86 

 2-59 

 6. 04 

 8.62 

 II. 20 

 12-93 

 12.07 

 13-79 

 8.62 

 6.04 

 4-31 

 3-45 

 3-45 

 .86 

 1.72 



1 3-y ear-old cows. 



1908. 



Fre- 

 quen- 

 cy. 



Per 

 cent- 

 age. 



4.76 

 4.76 



9.52 



33-34 

 14.29 

 9-52 

 9-52 



4.76 

 4.76 

 4-76 



Fre- 

 quen- 

 cy. 



Per 



cent- 

 age. 



14.63 

 4.88 

 19-51 

 21-95 

 9-75 

 4.88 

 7-32 



2.44 

 4.88 



Combined 

 years. 



Fre- 

 quen- 

 cy. 



Per- 

 cent- 

 age. 



1. 61 



6-45 



I. 61 



9.68 



3-23 



16. 13 



25-80 



11.30 



6-45 



8.06 



3-23 

 4.84 

 l.6l 



