Case study: Tuberculination, serology and bacteriology of sows at a farrowing unit suspected of an infection with Mycobacterium avium
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The SafePork conference series began in 1996 to bring together international researchers, industry, and government agencies to discuss current Salmonella research and identify research needs pertaining to both pig and pork production. In subsequent years topics of research presented at these conferences expanded to include other chemical and biological hazards to pig and pork production.
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Abstract
Mycobacterium avium (MA) is considered a zoonotic hazard in pork. Herds delivered at slaughter showing gross lesions indicative of a mycobacterial infection, eg. specific abcesses in lymphoreticular tissue, were bacteriologically positive for MA. A risk factor analysis revealing different possible sources of primary infection was carried out at farms supplying these pigs. Also the common farrowing farm supplying the piglets to these farms was taken into account as a possible source of infection. Intradermal tuberculin testing, serology and tissue sampling was carried out on the sows and finishing pigs.