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. 1987 Apr;28(4):174–180.

An Evaluation of Nonsuppurative Joint Disease in Slaughter Pigs

Kathleen M Johnston, Cecil E Doige, A Dudley Osborne
PMCID: PMC1680412  PMID: 17422755

Abstract

Fifty-two joints from pigs with nonsuppurative joint disease from a local abattoir were examined grossly, histologically, and microbiologically in order to establish macroscopic differences between degenerative arthropathy and arthritis due to an infectious organism. The joints were grouped grossly according to the type and severity of lesions of the synovial membrane and cartilage, and microscopically according to the severity of synovial membrane lesions. Osteochondrosis and Erysipelothrix rhusiopathiae were the most common causes of nonsuppurative joint disease in the joints examined. The major macroscopic differences between these two arthropathies were in the nature and severity of the synovial and cartilaginous lesions and involvement of the lymph node draining the diseased joint. Typically, in osteochondrosis, the changes are feathery hypertrophy of villi, focal full-thickness cartilage buckles, ulcers or flaps, and no change in the draining lymph node, whereas in Erysipelothrix- caused arthritis, the villous hypertrophy is severe and polypoid in nature, there is diffuse erosion of articular cartilage, and the draining lymph node is consistently hypertrophic and often cystic.

Keywords: Porcine, polyarthritis, osteochondrosis, Erysipelothrix rhusiopathiae

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Selected References

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