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  • Title: Eradication of enteric helicobacters in Mongolian gerbils is complicated by the occurrence of Clostridium difficile enterotoxemia.
    Author: Bergin IL, Taylor NS, Nambiar PR, Fox JG.
    Journal: Comp Med; 2005 Jun; 55(3):265-8. PubMed ID: 16089175.
    Abstract:
    Outbred Mongolian gerbils from a United States commercial source were examined for colonization with naturally occurring enterohepatic Helicobacter spp. Helicobacter spp. were identified in the cecum and colon by culture and by using genus-specific primers in polymerase chain reaction (PCR) assays. Nutritionally balanced triple-antibiotic wafers (containing amoxicillin, metronidazole, and bismuth) used previously to eliminate helicobacter infections in mice were administered in an attempt to eradicate the naturally occurring novel helicobacters in the gerbils. After 7 days of antibiotic treatment, two of the experimental animals died due to Clostridium difficile-associated enterotoxemia. However, at 3 weeks after antibiotic cessation, the surviving three animals had no Helicobacter spp. in the cecum or colon according to PCR analysis. Eradication of Helicobacter spp. using dietary administration of antibiotics was complicated by the presence of toxin-producing C. difficile. An alternate method to develop helicobacter-free gerbils (such as Caesarian rederivation) may be necessary.
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