1. avoid feeding long-term food with high vitamin A content, high phosphorus and low calcium, such as animal liver, chicken, fish and shrimp, etc. 2. pay attention to proper sun exposure, but not in the case of excessive sunlight out. 3. control the calcium and phosphorus ratio, you can feed your dog some pet instant calcium vitamin, which contains a variety of pet calcium, 12 kinds of trace elements, 8 kinds of vitamins, a reasonable match for the dog to replenish a balanced The dog’s nutrition is balanced.
