Porcine Salmonellosis Detected in Meat Inspection

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Abstract
A diagnosis of Salmonellosis was made on 130 swine of 557 with focal lesions in the liver and on 6 swine of 1, 655 with changes of septicemia in Osaka over a 6-year period beginning in 1972. Salmonella choleraesuis var. kunzendorf was isolated from 132 swine, S. choleraesuis from two, and S. typhimurium from the other two. The rate of Salmonella detection was 93.2% in the liver, 89.3% in the spleen, 49.2% in the Kidney and 39.6% in the internal iliac lymph node. Individually, Salmonella was detected from liver, spleen, and kidney of the same body in 45.8% of all the positive swine, from two of these organs in the same body in 36.4% and from one organ in 17.8%. Concurrent recovery of Salmonella from muscles was also successful in 11 swine of 14 detected the organisms from liver, spleen and kidney of the same individual, from two of these in 4 swine of 9, from one of these, however, none of 6 swine was recovered the organisms. Histologically, specific lesions (typhoid nodules) were consistently present in all swine identified, with the exception of 4 animals.

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