Metabolic parameters of wild-type (WT), ghrelin^−/− and GOAT^−/− mice.

<p>Oxygen consumption (A), carbon dioxide production (B), respiratory exchange ratio (C), energy expenditure (D) and heat production (E) were measured using the Comprehensive Lab Animal Monitoring System (CLAMS). Grey bars indicate dark cycles. Datapoints are expressed as means ± S.E.M. n = 6–8/group.