Moist heat inactivation of Cryptosporidium sp

B.C. Anderson

American Journal of Public Health, 1985, vol. 75, issue 12, 1433-1434

Abstract: Cryptosporidia that were infective for infant mice were subjected to various moist heat treatments and subsequently tested in infant mice for infectivity. Warming from 9°C to 55°C over a period of 15 to 20 minutes neutralized infectivity in calf feces, cecal contents, and ileal scrapings. Inocula held at 45°C for 5 to 20 minutes lost its infectivity. These results suggest that pasteurization of raw milk, circumstantially incriminated in cryptosporidial transmission, would neutralize cryptosporidial infectivity.

Date: 1985
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