Mercury in Fish-Based Cat Food: What You Should Know

A lot of cats love fish, but feeding it as more than a very occasional treat could is not a good idea and could be harmful to your cat’s health. The primary fish used in cat food are salmon, tilefish (usually identifed as ocean whitefish on the label) and tuna. Each of them presents health issues, because fish can contain toxic doses of common water pollutants, heavy metals, and other contaminants. Mercury is considered one of the top ten chemicals of major public health concern by the World...