volume 75, issue 1, P151 1989
DOI: 10.2307/3282956
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Abstract: Activity of colostral whey, produced by a cow immunized with oocysts of Cryptosporidium parvum and found to provide prophylaxis against cryptosporidiosis in calves, was tested in 2 experiments. In one experiment BALB/c mice were given the immune whey (HW), whey from a nonimmunized cow (CW), or a balanced salt solution (HBSS) before, during, and after oral inoculation with oocysts of C. parvum. Significantly fewer (P less than 0.05) C. parvum were found in mice that received HW (undiluted, 1:20 or 1:50) than in…

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