Can Cats Eat Only Tuna. Cats can eat tuna in moderation but it must not make up a large part of a cats diet. The type of tuna you give your cat determines whether or not its a good choice.

Even though tuna is a fish it is a deepwater fish that wouldnt normally be part of a cats diet. Heres What You Should Know About Feeding Tuna to Cats. Tuna is high in protein omega 3 fatty acids and vitamins A B12 and D.
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The answer to that question is yes most cats can safely eat some tuna but only in moderation and only under certain conditions. A lot of people are probably brushing past this because cats and tuna seem to go together like peanut butter and jelly. Taking the lives of many fur babies. Just 3 ounces 85 grams of light tuna contains 1071 mcg of mercury.

