JUDGING DUAL-PURPOSE CATTLE 



351 



from animals of decidedly beefy type with inferior mam- 

 mary development, to those of essentially moderate beef 

 type, with strong mammary development. From a scientific 

 point of view, based on the law of correlation, it may be 

 argued with reason that flesh is produced at the expense 

 of milk, or vice versa. Therefore, to be a true dual-purpose 



Fig. 197. — "Lou Waterloo," a choice example of a milking Shorthorn. 



COW, there should be a production of both flesh and milk 

 up to at least a certain point, the beef development in keep- 

 ing with beef type, and the udder conformation and milk 

 secretion, comparable with that in a resonably good cow 

 of dairy type. Gay states^ that "it is perfectly reason- 

 able to expect from one individual the production of milk 

 to the extent of one-half the normal in dairy cows, and the 

 production of a carcass of beef at least 50 per cent as 

 valuable and one-half as economically produced as in the 



^ Principles and Practice of Judging Live Stock, 1914, p. 214. 



