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A rare case of septicemia due to Bacteroides melaninogenicus in a Holstein cow

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Abstract

A 6-year-old Holstein cow was referred for necropsy due to sudden death. The necropsy indicated hydroperitoneum, hydropericardium, and petechial hemorrhage on serosal surfaces associated with pulmonary edema and multiple abscesses in the liver. Histopathological examination revealed extensive hepatocellular necrosis with neutrophilic infiltrates and abscess formation. Cultures of the liver lesions and blood revealed a Gram-negative anaerobic bacteria confirmed as Bacteroides melaninogenicus.

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Acknowledgments

The authors wish to thank Dr. Kaori Sakamoto, Department of Veterinary Pathology, University of Georgia, for her constructive comments and Mr. M. Mohammadnejad and Mrs. T. Gholamhoseini Moghadam for laboratory processing.

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Authors and Affiliations

  1. Center of Excellence in Ruminant Abortion and Neonatal mortality, Department of Pathobiology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, PO. Box: 91775-1793, Iran

    Ahmad Reza Movassaghi

  2. Department of Pathobiology, School of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran

    Mehrnaz Rad

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  1. Ahmad Reza Movassaghi
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  2. Mehrnaz Rad
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Correspondence to Ahmad Reza Movassaghi.

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Movassaghi, A.R., Rad, M. A rare case of septicemia due to Bacteroides melaninogenicus in a Holstein cow. Comp Clin Pathol 19, 409–411 (2010). https://doi.org/10.1007/s00580-010-0957-x

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  • DOI: https://doi.org/10.1007/s00580-010-0957-x

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