Four female koalas were found to have pyometra and pyovagina at autopsy. All had soiling of fur around the cloaca and were in poor condition. One koala had cystic ovaries in addition to the pyometra while another had extensive peritonitis due to rupture of one of the uterine horns. Chronic cystitis was present in all koalas while one also had pyelonephritis. Microbiological examination revealed a mixed flora of both aerobes and anaerobes.
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Canfield et al. (1983) studied this question.
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