INFECTIOUS DISEASES. 509 
1.'Sweep ceilings, side walls, stall partitions, floors, and other 
surfaces until free from cobwebs and dust. 
2. Scrape away all accumulation of filth, and if woodwork has be- 
come decayed, porous, or absorbent, it should: be removed, burned, 
and replaced with new material. 
3. If floor is of earth, remove 4 inches from the surface, and in 
places stained with urine a sufficient depth should be replaced to ex- 
pose fresh earth. All earth removed should be replaced with earth 
from an uncontaminated source; it would be better still to lay a new 
floor of concrete, which is very durable and easily cleaned. 
4, All refuse and material from stable and barnyard should ‘be 
removed to a place not accessible to cattle or hogs. The manure 
should be spread on fields and turned under, while the wood should 
be burned. 
5. The entire interior of the stable, especially the feeding troughs 
and drains, should be saturated with a disinfectant, as liquor cresolis 
compositus (U. S. P.), or carbolic acid, 6 ounces to every gallon of 
water, to which 4 ounces of chlorid of lime should be added. The 
best method of applying the disinfectant and the lime wash is by 
means of a strong spray pump, such as those used by orchardists. 
This method is efficient in disinfection against most of the contagious 
and infectious diseases of animals, and should be applied imme- 
diately following any outbreak, and, as a matter of precaution, it 
may be used once or twice yearly. 
6. It is important that arrangements be made to admit a plen- 
tiful supply of sunlight and fresh air by providing an ample number 
of windows, thereby eliminating dampness, bad odor, and other in- 
sanitary conditions. Good drainage is also very necessary. 
If the use of liquor cresolis compositus, carbolic acid, or other 
coal-tar products i is inadmissible because of the readiness with which 
their odor is imparted to milk and other dairy products, bichlorid 
of mercury may be used in proportion of 1 to 800, or 1 pound of 
bichlorid to 100 gallons of water. All portions of the stable soiled 
with manure, however, should first be thoroughly scraped and 
cleaned, as the albumin contained in manure would otherwise greatly 
diminish the disinfecting power of the bichlorid. Disinfection with 
this material should be supervised by a veterinarian or other person 
trained in the handling of poisonous drugs and chemicals, as the 
bichlorid is a powerful, corrosive poison. The mangers and the 
feed boxes, after drying, following spraying with this material, 
should be washed out with hot water, as cattle are especially sus- 
ceptible to mercurial poisoning. The bichlorid solution should be 
applied by means of a spray pump, as recommended for the liquor 
cresolis compositus. 
