[Britster]

It's not so much about the simple number in the percentage as protein, as it WHERE the protein is coming from. You will see some foods that have hardly any meat in there, but their protein is 28%-32%, meaning most of their protein is probably coming from PLANT sources. Which is not good. Just look for a food with at LEAST the first two ingredients being meat (i.e. chicken and chicken meal) and I tend to stay away from soy, wheat and corn as well.

I feed Acana right now which has a 33% protein and it's an all life stages food. He is now 2.5yrs old but I've fed it over a year now on-and-off. I also feed different canned foods and mix it in his food, or I'll add real meat, like boiled plain chicken, etc.

IMO, there is no set protein percentage that a dog has to have... it all depends on the individual dog and what works for them. There could be two foods, both with 28% protein, but the dog could do horribly on one and not the other. It's more about the ingredients agreeing with them.