Dogs tend to thrive on diets built around animal protein and healthy fats. Many dry foods, however, depend on starch to hold the kibble shape. That often means higher carbohydrate levels and much less water than a dog would get from fresh food.
Dry food also loses much of its natural smell, nutritional value, and taste through processing, which is why some brands rely on flavor coatings. When the food is very dry, some dogs chew less and swallow faster, which can make digestion harder.
Over time, if the food does not match your dog’s needs, the body starts sending signals. Here are the five you should take seriously.