посмотрите нет ли вашего в списке http://www.dvm360.com/hill-s-pet-nutrition-voluntarily-recalls-select-canned-dog-food-excessive-vitamin-dони переборщили с витамином Д в своих кормах. для щенков из этого списка Hill's Science Diet Puppy Chicken & Barley Entrée 13ozDepending on the length of the pet's exposure, vitamin D toxicosis can present clinical signs such as vomiting, loss of appetite, increased thirst, increased urination, excessive drooling and weight loss. Severe cases could lead to renal failure or death. Dog owners should contact their veterinarian immediately if their dogs have consumed any of the products listed below, and dogs exhibiting any of these signs should be taken to the veterinarian immediately.