highly significantp < 0.001
One-way analysis of variance (ANOVA) showed that ammonia nitrogen concentration had a highly significant effect on the ventilation frequency of rainbow trout ( F = 24.63, p < 0.001).
One-way analysis of variance (ANOVA) showed that ammonia nitrogen concentration had a highly significant effect on the ventilation frequency of rainbow trout ( F = 24.63, p < 0.001).