522 Types and Market Classes of Live Stock 



or wooded country where wagons cannot be used. The demand for 

 these mules is limited. 



Plugs are worn out, cheap mules that have but little value. They 

 are usually unsound in one or more respects, very plain and rough in 

 form, and many are of advanced age. 



Export mules. — The export trade in mules has increased during 

 recent years. Large shipments have been made to South Africa, 

 Philippine Islands, and Cuba. The size and type of these mules varies, 

 depending on the use to which they are put and the country to which 

 they are sent. Some are used for army service, some for agricultural 

 purposes, some for heavy teaming, and some in mines. Hence the 

 term "export mule" is a trade name which is not restricted to any 

 particular kind of mules. 



