Show CLIV re STO amic L ROUND WORMS IN SWINE HARMFUL injury Is often so great pigs never recover the common round worms of swine are known as they are commonly spoken of among veterinarians and as As carlds but most swine producers aspea speak k of them only as round worms of swine the large round worms of swine attain a length of as much as 12 10 inches T the lie average size ranges from 6 to 12 inches and these worms are about one eighth 1 inch in diameter they are pinkish in color when young pigs are ve very ry heavily infested with round worms the larvae small worms which find their way to the lungs to in large numbers set up a condition of the lungs which is often spoken of as thumps this is a form ot of an pneumonia and Is often se severe vere enough to stunt the pigs to such an extent they never deve develop lop properly afterwards many of these pigs will linger tor for several weeks after keerl round worm infestation and upon their death or being killed if I 1 the lungs are examined much evidence of the inva sion of the larvae stage of tile the round worm will be found the injury 11 la so great with many young pigs s that eliat they never entirely rc recover cover As the worm eg eggs Is hatch batch out in the intestinal tract of the pis pig the small larvae are taken up by the blood stream where they y go to the liver and then to the lungs where they remain long enough to set up an inflammation which is often severe enough to develop into pneumonia after a short stay in the lungs the larvae travel up the trachea or windpipe and are re swallowed and then after finding their way to the intestines of the pig develop into full size worms tills this requires about two and one half months it is estimated that a full grown female round worm in the intestines of the hog ho may produce as many as SO 80 eggs from tills aliis it Is evident how great the contamination of hog yards and quarters must be after a number of worm infested pigs have been kept in them for several weeks the eggs of the round worms ar an very resistant resi stent to weather conditions find and to many chemicals it is not 1101 known just how 1011 long the egg aggs gs will remain alive but it is safe to conclude that the majority of worm eg eggs s will remain alive tor for more than one year under ordinary farm conditions 11 hound worm eggs are resistant to many chemicals this is due to the fact that they are encased in a tou tough il gelatinous membrane or capsule in order to destroy these round worm eggs it is necessary to use some caustic material which will dissolve tills this membrane covering the best product that we know of for this purpose is concentrated lye which ali cb should be used n boiling water one pound to each ten gallons of boiling water this to lution will destroy practically all round worm or other worm eggs wibb which it comes in contact |