The dogs like to make them to be dirty: the nature of the hunt make them good at hiding their shape track, especially the smell. To do this is to cover up foul-smelling substance around. Once the owner washed them clean, the next time when he met the pile of smelly stuff, they will urge to roll in more strongly desire. Even some owner uses the Collars & Leashes to hold them. You cannot go against their natural personality.
When the dog is eating the food, they have the inherently valuable food possessive. They will defend these delicious. To make them understand that the hand of the master is to give instead of take away food from the early start to make them know this truth. If take off the Pet Feeders, they will attack you immediately.
The dog likes to hide things. This stems from their wild dog ancestors. They often have not enough food in the wild. Occasionally they will take these surplus foods to keep in a safety place and stored. The stomach of the dog's powerful digestive enzymes, making them even to eat rotten food will not get sick. To remember is that the dog to dig tunnels deep, store grain sense is quite strong. Sometimes they will take their Dog Houses as their own house to store foods.