Question:
I feed my cats tuna fish, and after reading one of your columns it has been worrying me. Would you please write on this in one of your columns?.
C.G., Houston, TX Oct 23, 2005
Answer:
An occasional weekly teaspoon of tuna (or a gravy made of 1 teaspoon in spring water to moisten dry cat food) is about all I recommend. Tuna is high in mercury and other poisons (like dioxins and PCBs), and is a hazardous food for people and other animals. Too much tuna can cause fatty liver disease associated with vitamin deficiency in cats, muscular weakness being a chief sign. Neurological problems may also develop because of the high mercury content, thanks to how we humans have polluted the planet and poisoned the food chain on land and in the seas.
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