1908.] PUBLIC DOCUMENT — No. 33. 107 



In addition to the above, F. W. Woll ^ gives the following : — 



Summary of American Analyses for Butter Fat in Milk, of Pure-bred Cows. 



Breed. 



Butter Fat (Per 

 Cent.). 



Jerseys, 

 Guernseys, . 

 Holsteins, . 

 Ayrsliires, . 

 Shorthorns, 

 Brown Swiss, 

 Devous, 



4.98 

 4.77 

 3.28 

 3.84 

 3.73 

 3.78 

 4.. 57 



(6) Foreign Data. 

 According to Hucho^ and Koenig,^ German anthorities, the 

 average composition of the milk of dift'erent breeds is as 

 follows : — 



Breed. 



IIolsteins,3 



Ayrshires, 



Shorthorns, 



Devons,3 .... 



Jerseys, 



Guernseys, 



Total Solids 

 (Per Cent.). 



Fat 

 (Per Cent.). 



Solids not Fat 

 (Per Cent.). 



1-2.00 

 12.50 

 12.90 

 13.40 

 14.70 

 14.70 



3.25 

 3.70 



3.80 

 4.40 

 5.00 

 5.00 



8.75 

 8.80 

 9.10 

 9.00 

 9.70 

 9.70 



The average breed tests, conducted at the annual dairy shows 

 of the British Dairy Farmers Associations, 1879-98 inclusive, 



have given the followino- results : ^ — 



Breed. 



Number of 

 Cows 



Total Solids 

 (Per Cent.). 



Fat 

 (Per Cent.). 



Solids not Fat 

 (Percent.). 



Jerseys, 



Guernseys, 



Holsteins, 



Ayrshires, 



Shorthorns, 



Devons, 



272 

 98 

 10 

 42 



230 



14.46 

 13.50 

 12.25 

 13.29 

 12.72 

 14.. 34 



4.98 

 4.61 

 3.41 

 4.19 

 3.75 

 4.90 



9.48 

 8.89 

 8.84 

 9.10 

 8.97 

 9.44 



1 Twentieth report, p. 158. 



2 Hatch Experiment Station, Bulletin No. 110, pp. 6 and 7. See also Woll's Handbook, 

 first edition, p. 213. 



3 Koenig, Die Menschlichen Niihrungs- und Genussmittel. 



4 WoU'e Handl^ook, fourth edition, 1907, p. 241. 



