Some types of food are not suitable feeding the dog. Let us examine some that can be potentially hazardous to our friend.

You need to be a certain attention to chicken bones or cooked bones of other types of meat and fish bones because they could cause problems or obstructive cause lacerations in the digestive tract. Small bones may stop in the teeth and cause injuries of various kinds. The raw bones marrow can be given, however, quietly.
Chocolate is bad (see our article Chocolate and dogs), avoid tea and coffee.
It should avoid the administration of food for cats since, in the vast majority of cases is excessively moved on proteins and lipids.
The Board set the initial power on a purely carnivorous plant foods should be limited (although a small fraction is assumed by wild carnivores) can be inserted occasionally, especially during slimming regimes, with some warning: no also all 'grapes and raisins can cause damage to the kidneys. Dangerous even hops that can give problems of cardiorespiratory and seizures. In some cases it may even be lethal. To avoid the mushrooms, garlic, onions and leeks which can cause anemia. Advisable to do without potatoes, rhubarb and in any case those foods too high in oxalates, which can damage the equipment digestive, urinary and nervous systems.
To condemn absolutely the temptation to humanize the dog from the point of view of food: therefore absolutely prohibited include alcohol and candy or other products containing xylitol.
Be careful with the food that is too sugary (can cause obesity and problems with dental) and those that are too high in salt that can cause electrolyte imbalances.