Experiment 3 and 4: The NPU values of whole pidan and whole duck egg were 67 and 76, respectively.

• 各组老鼠的饲料摄取量相似，然而皮蛋卵黄组的生长情形却最差，其NPU值为77，与鸡蛋卵黄之86和鸭蛋卵黄之83有显著差异。