THE GUERNSEY ' 397 



each day the animal is over two years old at the beginning of her 

 year's record, the amount of butter fat she will be required to 

 produce in the year will be established by adding o.i (one tenth) 

 of a pound for each day to the 250.5 pounds required when two 

 years old. This ratio is applicable until the animal is five years 

 old, when the required amount will have reached 360 pounds, 

 which will be the amount of butter fat required of all cows five 

 years old or over. Any period of three hundred and sixty-five 



Fig. 172. Spotswood Daisy Pearl 17696, one of the great Guernsey cows, with 

 a world's record in 1910-1911 of 957 pounds butter fat. Owned by O. C. Barber, 



Barberton, Ohio 



consecutive days or less in which a cow has made her require- 

 ments may be used for determining her record, regardless of any 

 time lost on account of being dry during that period. The ordi- 

 nary Guernsey Advanced Registry classes are A, for cows five years 

 old and older ; B, four and one-half to five years ; C, four to four 

 and one-half years ; D, three and one-half to four years ; E, three 

 to three and one-half years ; F, two and one-half to three years ; 

 G, two to two and one-half years. If, in addition to making the 

 requirements in her respective class, a cow shall carry a calf or 



calves two hundred and sixty-five days in her test, the letters used 

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