Dips for Sheep Scab 323 
Dips are rendered more effective by adding a decoc- 
tion of tobacco, about thirty pounds to 100 gallons of 
water. 
It is better to avoid dips containing arsenic, which, 
being poisonous, must be used with great caution. The 
following directions from the Department of Agriculture 
cover the subject well: 
*(1) Select a dip containing sulfur. If a prepared 
dip is used which does not contain sulfur, it is always 
safer to add about sixteen and one-half pounds of the 
sifted flowers of sulfur to every 100 gallons of water, 
especially if, after dipping, the sheep have to be 
returned to their old pastures. 
“(2) Shear all the sheep at one time, and imme- 
diately after shearing confine them to one half the farm 
for two to four weeks. Many persons prefer to dip 
immediately after shearing. 
“(3) At the end of this time, dip every sheep (and 
every goat, also, if there are any on the farm). 
(4) Ten days later, dip the entire fiock the second 
time. 
(5) After the second dipping, place the flock on the 
portion of the farm from which they have been excluded 
during the previous four or five weeks. 
*\(6) Keep each sheep in the dip for two minutes by 
the watch; do not guess at the time, and duck its head 
at least once. 
“(7) Be careful in dipping rams, as they are more 
likely to be overcome in the dip than the ewes.” 
When any number of sheep are to be treated, special 
dipping vats, constructed with draining pens, will be 
