How much canned tuna can I give my dog? If you want to feed your dog canned tuna, it is safe to feed a 20-pound dog one can of tuna about once every three weeks. And a 90-pound dog can safely eat a can of tuna about once every five days.
Why is tuna bad for dogs? Mercury is a toxic metal found in water. As a result, all fish have varying levels of mercury in their systems. “Tuna can contain high levels of mercury,” Whittenburg says. “If a dog consumes large amounts, it could cause mercury poisoning.”
Can I mix tuna with dog food? Many dog foods contain fish because it is high in protein and omega-3 fatty acids. But can dogs eat tuna? The answer is no. You shouldn’t feed your canine companion the saltwater fish because it could lead to a number of different health problems.
What canned fish can dogs eat? Canned fish such as tuna or salmon makes a healthy treat for your dog. When choosing tinned fish, look for fish packed in water without added salt. One of the best ways to feed fish is to add a quarter tin of fish to your dog’s meal.