Dogs chewing walls and eating wall powder may be omnivorous, lack of trace elements. The body function tells the dog to lack these things, the dog will panic and eat blindly, encounter this situation, as long as the timely replenishment of trace elements can be. It may also be that the dog is simply naughty to get your attention, so gnawing. There is a class of dogs are very smart, will do something parents do not like to attract attention, here to stop this behavior in time, while thinking about their usual is not to ignore the emotions of the dog, after all, the dog is still very dependent on the master, need to accompany.
