THE CHANNEL ISLAND BREEDS 59 



imparts. The color of Guernsey butter is so high that it 

 is even occasionally objected to in the market by those not 

 familiar with it, especially when the cows are on fresh pasture. 

 The fat globules are likewise the largest on the average of any 

 breed. The Guernseys have the same advantages and dis- 

 advantages as the Jerseys as cows for producing market milk, 

 and on the whole they cannot be said to be well adapted for 

 this purpose, although special favorites for producing a high- 

 grade cream for market. They share with the Jerseys the 

 power of producing butter fat very economically on account 

 of the richness of their milk. For this reason they find their 

 greatest adaptation as producers of butter or cream. 



An excellent system of testing for advanced registration 

 was adopted by the Guernsey Cattle Club in 1901 . The test at 

 first was for either seven days or a year, but now only the 

 latter is accepted. It is under the supervision of an experi- 

 ment station or agricultural college. The records include 

 milk produced and butter fat as determined by the Babcock 

 method. The owner of the cow keeps the milk records in 

 detail throughout the year, and the supervisor of the test 

 visits the herd once each month and weighs and tests each 

 milking for two days. The average per cent of fat for these 

 two days is taken as the average for the entire month. The 

 cows are admitted to Advanced Registry by meeting the 

 following requirements : 



A cow beginning at two years of age must produce 6000 

 pounds of milk within a year, with an addition of 3.65 pounds 

 of milk per day up to five years of age, at which time the 

 requirements are 10,000 pounds of milk. The butter fat 

 requirements for admission are the production of 250.5 

 pounds fat, if the record begins at two years of age, and for 



