Dogs how old to control urination and defecation

Dogs can slowly learn to control their bowel movements after 3 months of age. Dogs at 2 months can be toilet habits and training, we need the owner of this patient guidance again and again, after this period of time is difficult to change bad habits. The habit of urinating outside, to start after 3 months, this time the dog’s so vaccinations are good, will not easily get sick very safe.