It is effective for dogs who are picky eaters. When the dog does not eat dog food and prefers meat or snacks, the breeder can use the method of starving without eating dog food. During this period, ensure sufficient water. -The dog will improve in 7 days, and will regard dog food as its staple food in 10-15 days. In addition, if you are worried that your dog will starve and lose weight, you can mix canned food and meat with dog food, and then gradually reduce the complementary food every day until it is replaced with dog food.