Dogs

　　It is well known that calcium supplementation for dogs should not be done blindly or excessively; too much calcium can be a burden on the dog's body and may lead to stone problems. So, which dogs are more likely to suffer from calcium deficiency and need calcium supplements?
　　1. Puppies after weaning: Puppies enter a rapid growth phase after weaning. Dogs eating homemade food at this time need appropriate calcium supplements. Imported dog food generally contains enough calcium to meet the growth needs of toy and small breed dogs, but medium and large breed puppies still require moderate calcium supplementation.
　　2. Pregnant and postpartum dogs: From the moment the female dog is successfully bred, calcium supplementation is necessary. Calcium should be stopped 15 days before giving birth and resumed after delivery until the puppies are weaned. If the mother dog is found to be weak afterward, calcium can be supplemented once every 2-3 days as needed.
　　3. Elderly dogs: Older dogs experience reduced calcium intake and increased loss due to endocrine and other factors. At this time, calcium should be supplemented artificially while maintaining a certain amount of exercise. Otherwise, it may cause osteoporosis, increased incidence of bone spurs, and fractures.
　　　4. Picky eaters: Dogs that primarily eat animal liver or meat for a long time should also get appropriate calcium supplements because these foods contain high concentrations of vitamin A, which can inhibit calcium absorption when consumed in large amounts over time.