[justine]

I don't recommend just switching over from one thing to another. It will upset your dog's stomach and probably lead to some loose stools.

Switch the food gradually, over a period of about a week. Start with a mixture of 25% new food and 75% of the old stuff and try that for two or three days, then try 50-50 for a couple of days. Then go up to 75% new, 25% old for a few days. Then you should be good to switch to just the new food by itself.

Obviously if your dog has a sensitive stomach, it might take longer. Just to be safe, I gradually switch Abbey over to a new food over a couple of weeks.

 

[justine]

Don't go buy more food. The worse that will happen is your dog will get the poops for a day or two. And that's only if they have a sensitive stomach. I chang my food every two bags and have zero problems. In the end it depends on your dog.

Take a look at this article for more info. >http://www.dogfoodanalysis.com/how-often-should-i-change-foods.html<

Well your website you suggested says the same thing I suggested:

Do I need to change the food gradually?

It is usually wise to effect a change gradually. Not every dog is sensitive to food changes, and many will handle cold turkey changes without issue. But many won’t, and the upset tummies and loose stools that can come with changing foods too fast are such an annoyance (for the dog too!) that it makes sense just to change gradually, unless you know for certain that your dog has the sort of cast iron stomach that won’t be upset by a sudden change.

The simplest way to change foods is to blend the old and new foods together for a week or so. Start with a mix that is 25% new food and 75% old. Feed that for two or three days, and if there are no upset tummies or loose stools, increase the blend to a 50/50 mix. Again, feed that for a couple of days, then increase to a 75/25 blend, and finally to 100% new food. If at any stage there is a tummy upset or the dog’s stools become loose, then hold off on increasing the amount of new food in the blend until that problem resolves. If there are no problems at all, it will take a week to ten days to accomplish the switch.