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1·Crispy dry food, and a certain degree of hardness, effective help clean cat teeth, to avoid long-term consumption of Ruanshi teeth caused by the degradation.

香脆的干食，并具一定的硬度，帮助猫有效清洁牙齿，避免因长期食用软食而造成的牙齿退化。

2·Some pet dogs (about 1 / 3) can sense the physical changes of certain chemical substances, and the sudden drop in blood glucose before the master warning to owners to replenish food and avoid danger.

一些宠物狗（约有1/3）可以嗅出主人身体某些化学物质的变化情况，并在主人血糖陡降之前发出警告，让主人及时补充食物，避免危险，jiusewang。