DietDiet, ReducingDiet, High-FatDiet, Fat-RestrictedAnimal FeedDiet, MediterraneanDietary FatsDiet, VegetarianDiet, Protein-RestrictedDiet, Carbohydrate-RestrictedDietary ProteinsKetogenic DietBody WeightDiet, AtherogenicDietary CarbohydratesAnimal Nutritional Physiological PhenomenaDiet TherapyEnergy IntakeDiet RecordsEatingDigestionRandom AllocationDiet SurveysDietary FiberDiet FadsDiet, Sodium-RestrictedDietary SupplementsSwineDiabetic DietFood, FormulatedActivities of Daily LivingNitrogenSoybeansNutritive ValueCholesterolCholesterol, DietaryWeaningCerealsDiet, Gluten-FreeRumenOrgan SizeZea maysLipidsFecesNutritional RequirementsEnergy MetabolismTriglyceridesObesityMeatBody CompositionGastrointestinal ContentsFatty AcidsFeeding BehaviorCaseinsTime FactorsCross-Over Studies