^18 IOWA DEPARTMENT OF AGRICULTURE 
of hog to be the cheapest and most effective. However, considerable care 
is needed to feed such powder as only ten head should be treated at a 
time, and the powder thoroghly mixed through the slop. 
No feeder, be he ever so careful and patient, can be successful in his 
operations if the conditions surrounding his hogs are not sanitary and 
clean. Slaked lime, dip and crude oil should be used freely, but not 
extravagantly, by every hog man. Lime and dip are good disinfectants, 
and will keep down disease, while the crude oil is the cheapest and most 
effective louse-killer I have ever tried. 
Some one asked Mr. Asliby in what way he used crude oil to get 
the best results and he replied: "During the summer time I run 
about four inches on top of the water in the dipping tank and as 
fast as it is taken up I run on more. In the winter I just use the 
crude oil with a brush. ' ' 
Another asked if Mr. Ashby used crude oil in connection with 
dip and he said : " I think it is a good plan to use both. As I only 
use the crude oil as a louse killer, I use the dip for disinfectant. I 
think it is cheaper to use the crude oil." 
Mr. Swallow said : ' ' Don 't you think that where your hogs root 
around and you have lots of little holes where they go to wallow 
and where the water will stand after a rain, that if you scatter crude 
oil there it would be quite a help ? It is the cheapest dipping tank 
you can get." 
R. J. Harding of Macedonia, Iowa, asked if Mr. Ashby found it a 
good idea to slop pigs if the sows have not been solpped before 
farrowing time, but Mr. Ashby stated that he had never tried it. 
Mr. Harding continued: "I have adopted a different method of 
feeding than I used to. I feed the little pigs dry. I don't make 
any slop and I get much better results. I find that they thrive 
well on it and are not as apt to gorge themselves and the danger 
from scours is much less." 
J. R. Pfander of Omaha, asked: ''I would like to ask whether 
you feed the dry feed in self feeder form or a regular ration of it at 
feeding time as we do slop." 
Mr. Harding said : " I have never adopted the self feeder but do 
just as I would in feeding slop, but I feed in a feeder that they 
can't get into. I take shorts and ground oats and I find that they 
will eat it up clean and will grow out. I feed the sow a little corn 
and they get some of that, but they have this other that the sow 
can not get to. I get much better growth with dry feed than with 
wet and do not have as many pigs with scours." 
Mr. L. H. Paul of Anamosa, said: ''I want to sanction what 
Mr. Harding has said. My personal opinion is that slopping pigs 
