Figure 2: Rotifer counts after 3 and 6 days supplementation of B. cereus(CCBM-2) and B. subtilis (CCBM-64) at 107 CFU ml-1. A control group without bacteria is also included. Data are presented as the mean number of rotifer per ml and standard error of three different experiments. * Significant differences in rotifer number among treatments (P<0.05).
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