How to identify the cat food spoiled spoiled cat food you can tell?

To identify whether the cat food is deteriorated, the owner can determine the color and appearance of cat food, first of all, the color of many cat food is light, if there is moisture, may be aggravated by the color of cat food, is very obvious to distinguish, once the color changes, the owner should not feed the cat, and cat food if deteriorated, the appearance is very easy to appear long mold, which can be correctly distinguished by the appearance.