Age FactorsInfant, NewbornBody WeightWeight LossWeight GainMolecular WeightBirth WeightFetal WeightInfant, Low Birth WeightObesityWeight Reduction ProgramsOrgan SizeBody Mass IndexDiet, ReducingPregnancyInfant, Very Low Birth WeightBody CompositionOverweightEatingEnergy IntakeDietGestational AgeTime FactorsWeight LiftingAdipose TissueWeaningBody Weights and MeasuresInfant, Extremely Low Birth WeightAnthropometryEnergy MetabolismFeeding BehaviorCattleBreedingElectrophoresis, Polyacrylamide GelRisk FactorsLiverPseudorabies VaccinesWeights and MeasuresRandom AllocationSwineObesity, MorbidChromatography, GelLitter SizeAnti-Obesity AgentsLeptinExerciseInfant, PrematureProspective StudiesRegression AnalysisCohort StudiesAnimal FeedThinnessIdeal Body WeightFetal DevelopmentSex FactorsDietary FatsFollow-Up StudiesBody ConstitutionDietary ProteinsKineticsInsulinDose-Response Relationship, DrugFetal Growth RetardationPregnancy ComplicationsAdiposityRats, Sprague-DawleyCaloric RestrictionTreatment OutcomeNutritional StatusGastric BypassRats, WistarLipidsChild DevelopmentLactationPregnancy OutcomeLife StyleBlood PressureMotor ActivityDisease Models, AnimalReproductionCross-Sectional StudiesPseudomonas fluorescensSheepInfant, Small for Gestational AgeParityAppetite DepressantsReference ValuesAgingRats, Inbred StrainsLeast-Squares Analysis