Histopathologic findings of swine infected with Brucella suis
Lymphocytic response was composed of T cells but not B cells
Porcine brucellosis, which is caused by Brucella suis biovar (bv) 2, is a re-emerging disease that causes reproductive problems in pigs in Europe. The pathogenesis and lesions of B. suisintrauterine infection are poorly characterized; characterization could facilitate the diagnosis and investigation of porcine brucellosis.
The authors collected samples of placentas and fetuses for histologic and microbiologic studies during an outbreak of abortions on a pig-breeding farm in Spain. Brucella was cultured from the vaginal swabs obtained from sows that had aborted, some placentas, and fetal tissues (spleen, liver, lung, gastric content); molecular testing confirmed B. suis bv 2 infection.
Histologically, ...
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