8斤的土狗一顿吃多少狗粮

It depends on the specific dog's age, breed, and activity level, as well as the nutrient content of the dog food. It is generally recommended to feed an 8 kg adult dog around 400-450 grams of food per day. However, it is best to consult with a veterinarian or refer to the feeding guidelines on the dog food package for specific recommendations.