Conditioned taste preference ( CTP ) or taste preference learning is an important paradigm to research the mechanism of learning and memory which has a profound biological significance to acquire nourishment and keep nutrition balance when animals are hunger or nutrient deficiency .

味觉嗜好学习或条件性 味觉嗜好（conditionedtastepreference，CTP）对动物在饥饿或营养 缺乏时有效获取营养和维持营养平衡具有重要的生物学意义，也是研究学习、记忆的重要模型。

Conclusions : Chocomilk could cover the unpleasant taste and smell from milk and achieve the aim of prevention of calcium deficiency basically .

结论：用巧克密掩盖牛奶中不适的 口味和气味，基本能够达到利用天然食品预防 缺钙。