WORK ANIMALS 
103 
tough solid feet, it is important to see that they be well 
shod if their feet become tender. The necks and shoul¬ 
ders of horses pulling heavy loads often become sore. 
This should be avoided by fitting collars properly. The 
hames and tugs should be so adjusted that the pressure 
upon the shoulder may be equalized. 
Mules As Work Animals.—The mule is the favorite 
work animal of the South. This is probably due to the 
fact that mules can stand hot weather and hard work 
Fig. 72.—A team properly harnessed. 
better than horses. They are easy to handle in large 
bunches, live longer, stand more abuse, are freer from 
diseases and lameness, and, are at home with negro 
drivers. Their praises are sung in the lumber camps, 
road camps, coal mines, oil fields, and on the battle 
fields. 
Mules and Hinnies.—The mule is a hybrid or cross 
between the mare and the jack. The hybrid between 
the stallion and the jennet is called a hinny. The mule 
is larger than the hinny and is better adapted for farm 
