ブリに実験的感染させたPasteurella piscicidaの組織内分布〔英文〕

概要

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Yellowtail Seriola quinqueradiata were infected with Pasteurella piscicida by intramuscular injection, oral infection or immersion exposure. The fate of the pathogen in the tissues was examined by fluorescent antibody technique at selected intervals after infection. After intramuscular injection, the bacteria were located initially in the spleen and kidney then they spread to the gills, pyloric caecum, intestine and heart. After oral infection, the pathogen was found in the stomach immediately after infection then rapidly spread to most of the organs. After immersion exposure, the gill was found to be the most probable site where the pathogen invades. The gill, pyloric caecum, liver, spleen, kidney and heart are the organs in which the bacteria proliferate after invasion.
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