424 TWENTY-SECOND ANNUAL YEAR BOOK— PART V 



Kansas would stand it? Not for a minute! But that is just what they 

 have done. They have classified this property and given it a preference. 

 In what I am saying, I do not want to be understood as talking against 

 transportation companies. Not by any means. Transportation is an 

 absolute necessity. There is no substitute for it — for steam transporta- 

 tion. We must have it, and I say, in my judgment the best possible con- 

 dition that it can be kept in is the cheapest way to keep it — keep it in 

 the very highest and very greatest state of perfection; keep it so that 

 it will serve the business in the community as it would to be, and we 

 cannot afford to have it in any other way; but this agricultural country 

 cannot stand this drain or preference of one property over another. It 

 is not fair and it is not sound, and we have got to get on a sound basis. 



SPEECH OF DR. K. W. STOUDER 



I have written a paper which will briefly sum up my subject, not animal 

 diseases particularly, but swine diseases. I am therefore going to speak 

 more particularly of swine diseases in Iowa. 



Swine production on a large scale reaches its height here in Iowa. No 

 area in the world of similar size produces so many million head as do 

 the farms of Iowa, so our pork crop is a very large factor in the world's 

 food supply. We have long held this supremacy and maintain it in a large 

 measure because the grains produced here serve so well in making pork 

 and our climate is favorable to the feeding of the animal to maximum 

 weight and finish in record time. 



This high record of pork production necessitates the crowding together 

 of our animals and the continued use of the land for one crop to such an 

 extent that we often experience disasters in the nature of parasitic and 

 contagious disease invasion. The most important of these is hog cholera. 



The losses in Iowa from this disease alone annually amount to millions 

 of dollars. The figure is seldom less than $3,000,000 and has been as high 

 as $35,000,000 in one season, yet this disease is preventable. Its preven- 

 tion lies in the education of the hog owner. 



The diseases and parasites of swine that can be demonstrated today as 

 the cause of loss have long been recognized. Among the parasites seen 

 here in Iowa are the hog louse and the mange mite, which live externally 

 on the hog. They seldom kill, but they do seriously interfere with the 

 welfare of the hogs and make gains cost much more than they should in 

 many hog lots. These parasites are easily killed with dips in summer 

 and oil in winter if a general clean-up of the pens goes hand in hand with 

 the treatment of the individual, so it is strange indeed that hog raisers 

 tolerate them as much as they do. 



The worms so common in our hog lots live for the most part inside the 

 body of the hog. The lung-worm, a fine white hair-like worm, is seen 

 sometimes in our Iowa hogs, producing low vitality and dying pigs from 

 the damage it does to the lung. Obviously no drug can reach this worm 

 in its mature stage deep down in the lung to destroy it and not seriously 

 damage the lung tissue. The control of this parasite lies in preventing 

 its spread. Do this by remembering that a pig will have no lung worms 

 unless he gets eggs of the parasites into his body. He can only get these 



