Springfield Creamery/Nancy's Yogurt introduces Organic Lowfat Blueberry Kefir in 8 oz. and 32 oz. sizes â made with real organic blueberries, organic agave and live probiotics. Nancy's also introduces, Nancy's Organic Whole Milk Yogurt in a 64 oz. family size â a rich and creamy yogurt with live probiotics and no cane sugars. Springfield Creamery â family owned and operated since 1960. For more information, visit www.nancysyogurt.com.