Cumulative chow intake in rats with SDA and control rats at 1 h and 3 h (A), at 6 h, and 24 h (B), and δ body weight at 24 h (C) after vehicle, ip liraglutide (10, 25, or 50 μg/kg), or exendin-4 (1.0, or 3.0 μg/kg) treatment (* denotes significant difference compared with vehicle treatment). P < 0.05 = significant difference; data are mean ± sem.