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Revista de Saúde Pública

On-line version ISSN 1518-8787Print version ISSN 0034-8910


BALIAN, Simone C. et al. Tuberculosis lymphadenitis in slaughtered swine from S. Paulo State (Brazil): gross lesions, histopathology and demonstration of mycobacteria. Rev. Saúde Pública [online]. 1997, vol.31, n.4, pp.391-397. ISSN 1518-8787.

INTRODUCTION: As the occurrence of tuberculosis lymphadenitis in swine constitutes a public health risk, especially in immunosuppressed individuals, the distribution of tuberculoid lesions and the presence of micobacteria in lymphonodes and hepatic and muscular tissue in swine for slaughter, in the State of S. Paulo, SP (Brazil), in the period from 1993 to 1994, were studied. MATERIAL E MÉTODO: Tuberculous lesions in 60 carcasses of swine, slaughtered at abattoirs during the period 1993-1994, were studied. When macroscopic lesions were observed, a representative sampling of lymphnodes, hepatic and muscular tissues (masseter and diaphragm) were examined using histophatological and micobacterial isolation techniques. RESULTS: The macroscopic lesions were found predominantly in mesenteric lymphnodes. The MAI Complex (M.avium-intracellulare) was isolated mainly in the carcass group that showed lesions and was not found in the control group. Microorganisms of the MAI Complex were not isolated from hepatic and muscular tissues. CONCLUSION: No clear relationship between the type of mycobacteria isolated and the macroscopic lesions observed during the carcass inspection was found.

Keywords : Lymphadenitis; Swine.

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