If you wish to change your dog's pet food, then remember to give your dog, and its body, time to adjust to the new food. This is because each change of food results in work for the digestive tract: the micro-organisms in the large intestine have to get used to the different combination of nutrients - step by step.
Sensitive dogs may suffer from irregular fermentation in the intestines, resulting in flatulence, altered defecation frequency or diarrhoea. For this reason, it is advisable to mix the old and the new food initially. Slowly increase the amount of the new food until you no longer have to use the old one.