Change of diet
It exists in the intestine, a normal flora of bacteria that take part in the digestion of foods, an abrupt change of diet can produce alterations in the intestinal flora normal and to produce digestive upheavals.
In order to avoid intestinal disturbances in a change of diet, this one must be gradual and progressive, this means that the change is due to make in a period of approximated time of seven days, can be added to the normal food 25% of the new one by two or three days, soon 50% and 50% by other days, soon 25% and 75% new of the old one, until administering the new diet completely to him.
The more common digestive upheavals by an abrupt change of diet are diarrea and vomits.