282 



JUDGING DAIRY CATTLE 



as it is impossible to determine the productive value by 

 applied tests in the modern show ring. If it were possible 

 to develop such a system it vi^ould be highly desirable from 

 several viewpoints. However, capacity may be very accu- 

 rately rated or determined if the examiner has a keen knowl- 

 edge of true dairy form and its correlated functions. 



Mammary System. — The mammary system represents one 

 of the real fundamentals of the dairy cow. The animal may 



Fig. 119. — A typical udder exemplified in the Holstein-Friesian cow. 

 size, length, shape, general balance, and capacity of the cow. 



Note 



be perfectly developed from the standpoint of dairy form 

 and nervous development, yet if the mammary system is 

 insufficiently developed or faulty for any reason, the machine 

 is imperfect. After the food is taken into the stomach 

 it is digested, absorbed, and finally elaborated into milk 

 through the mammary system. The blood carries the 

 assimilated food products to the mammary system where 

 they are manufactured into milk. If there is not sufficient 

 development in the mammary system to ultilize these 

 products, the animal is imperfect from the standpoint of 



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