Variation of ammonia excretion at different Folidol concentrations in Oreochromis niloticus. The bars are the respective standard deviations (n = 5). ⁄Significant differences (p < 0.05).
Variation of ammonia excretion at different Folidol concentrations inOreochromis niloticus. The bars are the respective standard deviations (n = 5).⁄Significant differences (p < 0.05).