Dog Food For Sensitive Stomach

My dog has a sensitive stomach, how I can change my Dog Food?

I asked a week or two and take someone told me that she has to eat the food and not so great for her (even if it works), so I decided that I change my dogs food to those who have suggested (change in Kirkland chicken and rice), but has a sensitive stomach, how and what are the steps in the evolution of food for a dog with a sensitive stomach? What have you done? Have you had this experience?

I had a GSD with a very sensitive stomach. Modified food must be very gradual, almost imperceptible. I've done more than two weeks of 1 / 8 C of the new food with their regular food at each meal, then 1 / 4 C, third C, etc., in two weeks. If you find that your dog reacts immediately (Bloating, gas, diarrhea, vomiting, constipation), reduce the number and go more slowly with conversion.