142 AMERICAN DAIRYING. 



skim-milk. Another reason is that previous to 

 the introduction of the Babcock test the butter- 

 milk contained considerable more fat than the 

 separator skim-milk did. At^the present time 

 with skill at the cream vat and churn there is 

 not much difference in the percentage of fat 

 in the two. Some may ask what the Babcock 

 test has to do with the churn ? A great deal. 

 With it we tested the buttermilk daily and 

 commenced to investigate for the causes of the 

 differences in different day's work until we are 

 able to churn nearly as close as we can skim. 



Buttermilk should be fed carefully to young 

 pigs, as it is more apt to physic than skim-milk 

 is. Especially is this the case with buttermilk 

 from the shallow-setting system. I nearly 

 ruined a bunch of fifty pigs before learning 

 this. Since that time I have found old farmers 

 who had known this for a long time. Butter- 

 milk can be safely fed to calves by changing 

 gradually from whole or skim-milk, but the 

 change must be gradual or there will be 

 trouble. 



The figures on the following page from the 

 Vermont Experiment Station report of 1891 

 show the analyses of skim-milk and buttermilk. 



This work shows the skim-milk to have a 

 larger percentage of total solids than the butter- 

 milk, but the buttermilk has the largest per 

 cent of fat. The skim-milk has a trifle the 



