ILLINOIS DAIRYMEN'S ASSOCIATION. 257 



Guernsey, which is not far from the island of Jersey. The two 

 breeds together are called the Channel Island cattle. 



Someone asks, are not the Guernseys stronger in constitution 

 than the Jerseys ? I cannot say that they are. 



Notice now, on my left and your right, the cream separator. 

 The skimmed milk is coming out of the large tube that you see 

 there, immediately above the creamery can, and the liquid run- 

 ning into the pail is the cream. The milk has been milked 

 before you, and now we are separating the cream almost imme- 

 diately after it is milked. It shows how quickly we can " raise " 

 the cream. The question is asked, how much milk did the 

 red cow give, how many pounds. She gave 7J4 pounds. She 

 dropped her calf August 2, and she was milked this morning. 



Now, I want to say, on behalf of all these cows, that it is 

 no measure of their value, the amount of milk that any of them 

 produced at the present time. It is no measure of their capacity, 

 because the cow might be ever so valuable, and under these 

 circumstances might produce only a little milk. One might have 

 been milked much later in the morning. In order to get at what 

 a cow is doing, we must weigh and test the milk for a year; 

 not daily, but making five or six weekly tests during the fifty-two 

 weeks of the year. 



I want to call your attention to how contented this cow is; 

 the Jersey heifer. She is chewing her cud here at this very 

 moment, showing that she is not disturbed very much by this 

 audience ; not concerned about what is going on about her. Mr. 

 Story says that the old cow r is off considerably in the amount of 

 milk that she gave, but this heifer does not show any change. 

 I mention this simply to show you the things that we should con- 

 sider when we are breeding a dairy herd of cows. For the 

 young boy, just starting out, think of the opportunities there 

 are for him for study, since we know so little of the things that 

 may disturb and affect our dairy animals. 



We will proceed and show you the balance of the operation 

 in the Babcock test, although we have not the facilities exactly 



