Diabetic DietDietDietary CarbohydratesBlood GlucoseDiet, Carbohydrate-RestrictedCarbohydratesCarbohydrate MetabolismDietary FatsDiet, ReducingDiet, Fat-RestrictedDietary ProteinsBody WeightDiet FadsEnergy IntakeDiabetic RetinopathyDiabetic NephropathiesDietary FiberInsulinTriglyceridesStarchDiet, High-FatGlucoseLipidsAnimal FeedEatingFastingRats, Inbred StrainsDiabetes Mellitus, Experimental