Results of number of splenocytes, humoral immunity, cellular immunity and non-specific immunity in mice after 30 days of feeding.

Note: Data are given as mean ± SD (n = 10). a: statistically significant different from the negative control group at p<0.05; b: statistically significant different from the parental corn group at p<0.05; c: statistically significant different from the GM corn group at p<0.05; d: statistically significant different from the positive control group at p<0.05.