74 MANUAL OF DAIRY CATTLE BREEDING 



the student that he can judge cattle and pick out the better milkers. 

 If it descends, it shows the student that he chooses the poorer milkers 

 for the best and vice versa. 



Note: The method suggested is of course a rather crude test of 

 this subject. It will, however, bring out the problem and set any 

 student thinking about it. The correlation method can be sub- 

 stituted where it is desired to do it. 



The student should write a short paper discussing results and 

 present day significance of cattle judging especially in regard to 

 practical dairying, using the following references to the history. 



REFERENCES 



M.S., Chapter III. 



Gowen, John W. 1920. Conformation and its relation to milk producing 



capacity in Jersey cattle, Jour. Dairy Science, vol. Ill, pp. 1-32. 

 Gowen, John W. 1921. Conformation and its relation to milk producing 



capacity in Jersey cattle. II. The personal equation of the cattle judge, 

 * vol. IV, pp. 359-374. 

 Aldrich, A. M., and Dana, J. W. 1916. The relation of the milk veins system 



to production, Bui. 202 Vermont Agr. Expt. Sta., pp. 1-24. 

 Graves, R. R. 1916. An experiment with milk veins, Hoards' Dairyman, 



III, pp. 687 and 717. 

 Col. Le Couteur. 1845, 1851. Contribution to this subject in Jersey cattle 



is given in Jour. Royal Agr. Society of England, vol. V and vol. XII, 



part 2. These two papers are of much historical interest. 



