Factors that may change serum vitamin D values in healthy dogs

The importance of vitamin D supplementation in the diet has been known since the beginning of the last century, studies on carnivores have shown that dogs and cats need higher amounts of vitamin D than other mammals; moreover, it has been assumed that the dogs’ skin is inefficient in producing vitamin D through ultraviolet radiation. As a result, these animals depend solely on their diet to get the vitamin D they need. There is still not enough information on the relationship between vitamin D and the dog’s environment. One 2022 study of the Iranian Faculty of Veterinary Medicine was aimed at determining the baseline value...