DAIRYING 61 



25. What per cent, of dry matter in the milk is the fat at different 

 parts of the milking period ? 



26. To what extent does the richness of a cow's milk change in 

 different portions of one milking? Give figures. 



27. Why is the last milk, or stripping, the richest, and what kind 

 of treatment tends to make the milk richer? 



: 



28. What influences the richness of the morning and night milk? 



29. To what extent does the w.ejght and the test of the milk of 

 one cow vary from morning to night? Give figures. 



30. When is it profitable to milk cows more than twice a day? 



31. What portion of the udder gives the most and the. richest milk? 



32. What effect does fast or slow milking have on the milk ob- 

 tained J Give figures. 



33. How much difference in wages can a good milker earn more 

 than a poor milker? Calculate from one of the records given 

 in paragraph 186. 



34. How much money may be lost per cow by failing to milk dry? 

 Calculate from record given in paragraph 187. 



35. What would be the value of the milk and butter fat saved in 

 a year if all cows were milked by the Hegelund method and 

 the figures reported in paragraph 188 were obtained by its use? 



36. What are the advantages and disadvantages of milking tubes? 



37. What is an objection to State and County Fair tests of dniry 

 cows? 



38. What influence has dehorning cows on the test of their milk? 



39. What may be the financial loss if 10 cows are exposed to the 

 weather for six months, based on the results reported in 

 paragraph 193? 



40. Is there any necessity of heating cow stables in winter? 



41. Should cows be fed during milking? 



