I think they don't freeze well because the consistency of tinned sardines is probably pretty yucky after thawing, not that they will spoil somehow while frozen solid. Your doggie probably won't mind the thawed tinned sardines at all but you probably wouldn't enjoy the texture yourself.
__________________  Jeanie and Tibbe One must do the best one can. You may get some marks for a very imperfect answer: you will certainly get none for leaving the question alone. C. S. Lewis |