Animals, SucklingMealsGuinea PigsLactationSucking BehaviorAnimal Population GroupsWeaningSwineMilk EjectionMilkAnimal FeedAnimals, NewbornEatingPostprandial PeriodSwine DiseasesAnimal Nutritional Physiological PhenomenaColostrumPregnancyRandom AllocationFeeding BehaviorDietDigestionBody WeightDietary ProteinsWeight GainFoodPostpartum PeriodIntestine, SmallOxytocinIleumSoybeansDietary CarbohydratesAnimal HusbandryCattleIntestinesDietary FatsIntestinal AbsorptionFish ProductsTime FactorsSatiationImmunity, Maternally-AcquiredSus scrofaProlactinNutritive ValueEnergy IntakeSatiety ResponseBlood GlucoseLitter SizeLactaseCross-Over StudiesLiverJejunumStomachFood, FormulatedAgingFastingRats, Inbred StrainsEnterotoxinsInsulinDiarrheaDisaccharidasesKetone BodiesSwine, MiniatureAmino AcidsMeatDietary SupplementsReoviridae InfectionsHungerZea maysFecesOrgan SizeEstrusMammary Glands, AnimalAnovulationSheepIntestinal MucosaBody CompositionLactoseLuteinizing HormoneFood, FortifiedEnergy MetabolismAppetiteTrichinella6-PhytaseDietary FiberMaternal BehaviorPneumonia of Swine, MycoplasmalBiological AvailabilityDuodenumDigestive SystemRotavirusFood ServicesTriglyceridesNitrogenAbsorptionFatty AcidsGastrointestinal ContentsFood PreferencesRotavirus InfectionsMicrovilli