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Fig. 2. Flux of total ammonia to the water (JTamm; µmol
kg–1 h–1) from fed and unfed fish. Open
symbols indicate unfed fish, filled symbols indicate fish that were fed
immediately before the experiment began. Values are means ± s.e.m.;
N=6 for each treatment. The same six fish were measured at each
interval.
Significant difference (P<0.05)
between fed and unfed fish.