Depression in dogs is not very different from depression in us humans. So what are the signs of depression in them?
Depression in dogs can manifest itself in the form of mental depression and lethargy. The most obvious and prominent manifestation of depression in dogs is that they will always show a lethargic look when doing anything or playing. For example, like the usual playful dog began to quietly stay in the corner alone, then this time the owner should pay attention to the dog’s recent mood swings, it is likely that the dog has depression, because the dog has depression, once like to play with the master, but now no longer play with the master, and even began to hunger strike does not like to eat food. And in seeing their favorite toys can not raise the interest to play, and with the owner of the interaction is less and less, and may not even interact. Always alone in the corner inside the sleep or daze, that is, this can clearly indicate that the dog is suffering from depression, because the dog depression performance is more withdrawn and aloof. 
Other signs of depression in dogs include a tendency to sleep. Because the dog will not like to play because of depression, not so active, like to lie down alone in their own kennel or sofa corner to sleep, the whole day always seems to be drowsy. When called to eat, he behaves in a lazy and slow manner.
Another sign of depression in dogs is that their moods fluctuate a lot and they are very irritable. Dogs with depression have a very bad temperament control, changes will be very large, radical changes, sometimes depressed and sometimes irritable, uncertain mood, they will not be as docile as usual, but particularly irritable easy to get angry, and may also be physically aggressive, there is a certain danger to human safety. But carefully will also find it seems to have become very timid, particularly sensitive, to many things will produce inexplicable fear of worry about the appearance, as long as inexplicably hear what movement around, it will immediately make a violent reaction and action behavior.
