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Fig. 5. The influence of (A) the control treatment or (B) experimental feeding on
the rate of ammonia-N excretion in Squalus acanthias of Series 2.
Other details as in legend of Fig.
1. There was a significant overall influence of experimental
feeding (two-way ANOVA, P x0.05). There were no significant
differences between control and experimental treatments at the same time.
Values are means ± 1 S.E.M. Data were
taken from those dogfish of Series 2 (control N=5, experimental
N=4) where there was no struggling or potential for blood loss from
fin abrasion.