Rats, ZuckerThinnessObesityRats, Mutant StrainsBody WeightEatingAdipose TissueInsulinBody CompositionBlood GlucoseInsulin ResistanceLeptinNeuropeptide YTriglyceridesFatty Acid SynthasesLiverAdipose Tissue, BrownGlucoseEnergy MetabolismOrgan SizeFeeding BehaviorDiabetes Mellitus, Type 2Dietary CarbohydratesEnergy IntakeDietary FatsThiazolesMuscle, SkeletalDisease Models, AnimalThiazolidinedionesDietHypoglycemic AgentsFatty AcidsRNA, MessengerRats, Sprague-DawleyRats, WistarProteinsKidneyMice, ObeseMeatAbsorptiometry, PhotonBody Mass IndexWeight GainSwineAdiposityAnthropometryDietary ProteinsBasal MetabolismFasting