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An outbreak of hemorrhagic septicemia was reported in a herd of 25 Formosan deer and 27 elks, 3 of Formosan deer and. 4 of elks died of it. Clinically they were characterized by dullness, anorexia, loss of rumination, bloody and mucous soft feces, and sudden death. Pathologically they were characterized by generalized hemorrhage and especially petechial or ecchymotic hemorrhage on the subserosa and the mucosa of the abomasum and small intestine. une of 7 dead animals showed bacteremia and the organisms were stained bipolarly. Pasteur Ella multocida, type D was ;isolated and identified from the heart blood and the intestinal mucosa. Pasteur Ella-had great pathogenicity to mice, but was not pathogenic to cows, and was most sensitive to gentamycin. Centamycin was administered with concentrates and the rest of deer were recovered completely.
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