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Fig. 1
Glucose exposure inhibits food intake. (A) Plasma glucose was significantly higher in the glucose-treated fish compared to the control fish. (B) pck1 transcript abundance in the liver significantly decreased after glucose treatment compared to the control fish. (C) Whole-body cortisol levels remained unchanged in the glucose-treated fish compared to the control fish. (D) Glucose-treated fish consumed significantly fewer pellets than the control. Values are means ± SEM. (Plasma glucose n = 27–29; Transcript abundance n = 6; Whole-body cortisol n = 8; Feeding performance n = 12–16). ns—not significant; *(P < 0.05); ****(P < 0.0001)).