Aeromonas hydrophila infection in the Mexican axoloti, Siredon mexicanum
Boyer, C.I.; Blackler, K.; Delanney, L.E.
Laboratory Animal Science 21(3): 372-375
1971
ISSN/ISBN: 0023-6764 PMID: 4329296 Document Number: 4963
A spontaneous outbreak of an Aeromonas hydrophila infection occurred in a colony of over 3,000 Mexican axolotts. It was first seen in an imported axolotl. Clinical signs were sluggishness, anorexia, edema, and reddening of subcutaneous tissues. Within several weeks over 150 animals died. Postmortem examinations revealed subcutaneous hemorrhages, ascites, and pale livers with surface petechiae. A. hydrophila was isolated from various tissues and organs in pure culture. Massive drug treatment was not attempted. Effective control was accomplished by improved husbandry, refrigeration of some animals, and temporary suspension of surgical procedures. When surgical procedures were resumed, a furazolidone spray of the surgical incisions was found helpful. The disease was reproduced experimentally in axolotls by subcutaneous and intradermal inoculations of pure cultures of the organism. Attempts to reproduce the disease via the feed or water failed.
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