Also, sardines should not be fed daily, as too much fish can form crystals in cats.” One small sardine contains about 25 calories and 175 mg of omega-3 fatty acids, a good dose for a dog who weighs 20 pounds or less. “If you have a larger pet, give them more proportionally,” she advises. read more
The canned sardines I buy have four sardines in them, so my dogs eat one can per week per dog and then fish oil or oysters the other days. I don't store leftover canned sardines in the fridge because I worry about the oxidation and because I have four big dogs who happily eat their share of sardines. read more