Don't hold me to it, but I have never heard anything about that they shouldnt eat more than a certain amount. I mean use common sense. The only things I can see is, since it is rather fatty, their stomachs could get upset if given too much (if sensetive bellies) also I do believe that aswell as people, dogs can develop an allergy for nuts. Mine love it too, and I cant say I keep it to a certain amount, as long as common sense is there, I think we are all doing fine, and we do have big dogs, so its a little different than giving a toy poodle right lol...
Marit