LuteinDietary SupplementsXanthophyllsbeta CaroteneCarotenoidsDietVitamin AFood, FortifiedDouble-Blind MethodVitamin EVitaminsAntioxidantsAnimal Feedalpha-TocopherolMacula LuteaRetinal PigmentsPhotometryMicronutrientsZincFolic AcidAscorbic AcidPlacebosRandom AllocationAnimal Nutritional Physiological PhenomenaMacular DegenerationDocosahexaenoic AcidsFatty Acids, Omega-3TocopherolsNutritional StatusFish OilsVitamin B ComplexVitamin A DeficiencyPregnancyAdministration, OralCholecalciferolSeleniumMaternal Nutritional Physiological PhenomenaDigestionChromatography, High Pressure LiquidAnemia, Iron-DeficiencyVegetablesIronCross-Over StudiesBody WeightTrace ElementsVitamin DEggsDietary ProteinsOxidative StressRumenBiological AvailabilityEgg YolkIron, DietaryEicosapentaenoic AcidWeight GainPrenatal Nutritional Physiological PhenomenaCalcium, DietaryLipid PeroxidationDose-Response Relationship, Druggamma-TocopherolFruitCreatineCattleInfant Nutritional Physiological PhenomenaVitamin D DeficiencyCanthaxanthin