Experimental Transmission of Toxoplasma gondii by Cockroaches

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Abstract
The Madeira cockroach, Leucophaea maderae, and the American cockroach, Periplaneta americana, were evaluated as transport hosts of Toxoplasma gondii. After starved cockroaches were allowed access to feline feces containing infectious oocysts of Toxoplasma, their feces and digestive tracts were tested for infectivity in mice. Toxoplasma was isolated from the digestive tract of a cockroach as long as seven days after contact with feline feces and from cockroach feces as long as nine to 10 days after contact. Cockroach feces, stored at room temperature and humidity, remained infectious for mice for up to 17 days.

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