No one knows for sure what causes feline hyperthyroidism, but some studies suggest a connection to environmental pollutants such as polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs). A new study suggests otherwise.

A team of researchers in Japan sought to test whether cats were getting exposed from their fish-flavored food. (Toxic byproducts also come naturally from sources such as fish, a common ingredient in cat food.)

The researchers concluded that, indeed, the byproducts that were detected at high levels in cats’ blood samples likely came from fish-flavored food and not exposure to PCBs or PBDEs.

The study was published Dec. 2 in the American Chemistry Society’s Environmental Science & Technology journal.

Specifically, the researchers tested cat food and blood samples from cats. They also simulated how a feline’s body would process various PCB- and PBDE-related compounds. 

Photo credit: © iStock/Mercedes Rancano Otero

Comments (1) -

C Fleming DVM
C Fleming DVMUnited States
2/11/2016 1:38:13 PM #

I would like to see the whole article before we draw any conclusions. The source of the publication is suspect in my opinion. Has this been reviewed by any in the veterinary profession?

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