450 FARM ANIMALS 
Treating a fever helps in the fight against the discase itself. The 
basis of the curative process rests upon the principle of proper cir- 
culation and the excretion of the impure substances. 
3. Common causes of disease——Poisonous materials 
and poisonous plants cause death to thousands of animals 
annually. Of great im- 
portance to the stock 
interests is the rapid 
destruction of these 
harmful products. For- 
tunately, in the older 
sections the most of 
these have been elimi- 
nated. And more has 
been learned about the 
‘| molds that lead to bad 
Bap MaNacement Is THE Most Common results when moldy 
Cause OF DISEASE . a 
forage is fed. In time 
disease will be considerably lessened; and particularly 
will this be the case when only clean, wholesome food is 
placed in the mangers and feed racks. With less disease 
there will be more rapid gains. Disease is largely due to 
causes within control of the man who owns or tends the 
stock. 
4. Heredity plays a part—Tuberculosis, once so dread- 
ed in man and beast, is now known not to be handed 
down from parent to progeny; it is a germ disease, pure 
and simple, and makes its start just as many other ail- 
ments—through breath, or drink, or feed. There are 
hereditary troubles, however, that continue down through 
many generations. The narrow hock of the horse invites 
curb troubles ; the narrow chest is a good breeding ground 
for tuberculosis germs; straight pasterns are bad for the 
feet; poor conformation is not consistent with efficiency 
