MILK AND BUTTER 33 



is much used for babies and invalids. Other foods 

 and drinks which are becoming popular are made 

 from the dairy. Up to 1850 the dairy work was all 

 done and marketed from the farm. Now the milk is 

 largely taken to creameries and factories, and butter, 

 cheese, and condensed milk are manufactured there. 



QUESTIONS 



(1) How do you judge a dairy cow? (2) Which cow 

 would you keep for butter making and which for sell- 

 ing milk? (3) What kind is most common in your 

 neighborhood? (4) Would it pay better to keep a dif- 

 ferent kind? (5) Why is the Babcock test a great in- 

 vention? (6) What is a balanced feed? (7) How 

 would you test a cow to decide if she were worth keep- 

 ing? (8) How would you proceed to develop a fine 

 herd of cattle ? (9) Which dairy type do you like best? 

 (10) Why? (11) What other animals are sometimes 

 kept for their milk? (12) Which is the cheaper food, 

 milk or beef? (13) How does milk sometimes spread 

 disease? (14) What is butter-fat ? (15) How is butter 

 made? (16) What makes the difference in cheese? (17) 

 Name some other uses for milk. (18) Make questions 

 of your own for use in class. 



For exercises, problems and experiments, refer to the 

 Appendix. 



