Raw food is not a type of food that can be left out for hours. It should be refrigerated as soon as possible. If the food is left out, bacteria will start to grow and the dog will not only get sick but also develop a potentially fatal infection.
The answer to this question is that it depends on the type of raw dog food. For dry dog food, it can be left out for a few hours without spoiling. This is because the dry ingredients are not moist and will not spoil as quickly as wet foods. Wet foods should be refrigerated and consumed within a day or two, but can last for up to 3 days if refrigerated.