Following a healthy and balanced
diet supports
optimal physical and mental health, can prevent weight gain, and reduce the risk of developing some chronic diseases such as type 2 diabetes, cardiovascular disease,
kidney disease and some cancers.
It can also be because of chronic intestinal or
kidney disease, (lack of activated vitamin D (ref) that prevents proper calcium absorption (= Secondary hyperparathyroidism) or because the ratio of calcium to phosphorus in your pet's
diet is not
optimal (it should be about 1:1 to 2:1).