50 BUTTER. 



in 1839, gave a pound of butter to each 9| imperial 

 quarts of new milk.' 



In Derbyshire ' a cow in pasture, giving 20 quarts 

 of milk, produced 34 ounces of butter, or in the pro- 

 portion of 1 pound to 9j*jj quarts. 



Magne ' gives a table representing the results of 

 trials by diiFerent farmers in Ayrshire, as follows : — 



Mr. Burnet, Gadgirth 25 gallons of milk, give 8 lbs. of butter. 



Mr. Alexander, Southtree....22i " " " 9" 



Mr.Eankins 69 " " " 24" " 



Mr. Buttery, at Calder Bank, 6 Scotch pints of milk give 1 pound 

 butter. 



The proportion as indicated here is 1 pound to 

 15 quarts, except in the case of Mr. Buttery, where 

 we have 1 pound of butter to every 23^jj pounds of 

 milk. 



We have also a few experiments made in America. 

 The cow Swinley,!" imported in 1839, furnished in 4 

 days 102 pounds of milk, which made 5 pounds of 

 butter. This is the proportion of 1 to 20j*g pounds. 



Mr. E. P. Prentice'' is said to have had a cow which 

 gave 118 pounds of milk in three days, which pro- 

 duced 9 pounds 5 ounces of butter, — a proportion 

 of 1 pound to 12^|y. 



Mr. H. S. Collins'^ gives his proportion as 1 pound 

 butter to 8| to 10 quarts of milk. 



Mr. All is, in the Report of the Agriculture of 

 Massachusetts for 1871-2, makes a statement of 60 



' Journ. R. A. 3. i. 413. ' Johnaion'i Ag. Chem. p. 637. 



' Flow to Choose a Milch Cow, pp. 136, 139. 

 i» Farmers' Lib. iii, 3i)5. ■> Count. Gent. July 23, 18S3. 



" Keport of Conn. Bd. of Ag. 1857, p. U6. 



