How to choose dog food for adult dogs

Adult dog food selection should pay attention to: First, compare the size of the dog food: generally good dog food shape, size are more uniform. Second, the dog food formula: the first thing is to have high quality protein, then it is to see the percentage of protein, it is in the dog food accounted for in 26 percent to 30 percent of the composition is good, more or less is not allowed. Also meat protein must be more and better than cereal protein.