Show TO PREVENT WORMS IN PIGS Especially Important to Protect Newly Farrowed Animals From Intestinal Parasites Prepared by the United States Department Department Depart Depart- ment of or Agriculture Recent investigations have shown the importance of taking special precautions precautions pre pre- precautions cautions with newly farrowed pigs to prevent their becoming infested with intestinal worms Intestinal worms worms' aro are very common parasites amo among g pigs an and c cause use a great deal of damage amage t to t the young animals It appears that hat as they be become older lder pigs become less susceptible to Infection Accordingly if pigs can be protected from Infection during the first few weeks of life they are less likely afterwards to be seriously serious serious- ly injured by intestinal worms ot of thee the common variety The worms are spread by means means of ot eggs of microscopic size which are deposited de do- p posited sited by the adult worms in the Intestines intestines intestines in In- of infested pigs and which pass out of the body in the fe feces es After a 6 period of incubation which varies acOne ac ac- One OnoWay Way of Preventing Worms in Pigs Is to Provide Good Sanitary terse cording to temperature and other conditions conditions conditions con con- the egg contains a tiny embryonic embryonic embryonic embry embry- onic worm and is re ready dy for further de de- development when swallowed by a pig The eggs are arc highly resistant and may retain their vitality for years It Is therefore evident that in course of time the ground in yards where pigs ar are kept may b become come very heavily laden with the eggs of the v V ms When the eggs are swallowed ved the young worms hatch out but do not immediately immediately im Ira- mediately settle down in the intestine TJ They ey get into the circulation and are carried to various arIus organs of ot the body Including the lungs Meanwhile they Increase somewhat in size and undergo certain changes of structure In a a. week weck or ten days they can be found In I Infected ted pigs examined post-mortem post I crawling up the the windpipe into the mouth and down the esophagus Into the stomach In the normal course of events they finally reach the intestine again where they devel develop P slowly to mat maturity Small pigs If their lungs are Invaded by large numbers of the young Intestinal worms are liable Hable to develop pneumonia which may prove fatal ItIs It ItIs ItIs Is not Improbable ble that many cases of ot lung fung trouble among young pigs are ca caused sed by these worms ms The question of preventing losses among Dung joung pigs by worms judging from the results of the Investigations carried on In the zoological division of ot the bureau of animal industry ly resolves Itself into U question of pr providing providing pro pro- viding good sanitary conditions for the pigs particularly during the suckling period The sows before farrowing g should be kept In clean dry places away from mud wallows and until the pigs are several weeks weekS' old they should be kept pr preferably In buildings and pens with floors which can be easily cleaned and which are kept clean |