Body WeightWeight GainWeight LossBirth WeightWeight PerceptionMolecular WeightWeaningSkin PigmentationBreedingBody CompositionAnimal HusbandryPregnancyInfant, Low Birth WeightOrgan SizeLitter SizeMeatReproductionLeast-Squares AnalysisAnimal FeedCattleEatingObesityInfant, NewbornEye ColorPigmentationAnimal Nutritional Physiological PhenomenaFetal WeightCentrifugation, Density GradientHair ColorRandom AllocationSwineHybrid VigorBody ConstitutionBody Mass IndexGestational AgeDietAnthropometryButanesSheepHousing, AnimalMelaninsCrosses, GeneticFiresSexual MaturationFood TechnologyLactationMaternal Nutritional Physiological PhenomenaAdipose TissueDystociaZeranolWeight Reduction ProgramsParityBody HeightGrowthEnergy MetabolismTime FactorsFetal Growth RetardationConsumer Product SafetyBody SizeFeathersPrenatal Exposure Delayed EffectsFeeding BehaviorPregnancy, AnimalAnimals, NewbornDiet, ReducingCell FractionationRegression AnalysisSex FactorsColorSeasonsRisk FactorsInfant, Very Low Birth WeightTwinsSmokingAge FactorsFertilityAnalysis of VarianceEquipment SafetyOverweightLiverElectrophoresis, Polyacrylamide GelMicroscopy, ElectronMuscle, SkeletalSex CharacteristicsAgingEnergy IntakeMilkPhenotypeCohort StudiesPoaceaeProspective StudiesInsulinFollow-Up StudiesCattle DiseasesReference ValuesTemperatureWeight LiftingBody Weights and MeasuresInfant, Extremely Low Birth WeightUnited States