The Science of Dioxin

May 24, 2017 | Commercial Litigation | General Liability

Taiwan FDA Says It Found Dioxin in Only One Farm’s Eggs

Taiwan’s Food and Drug Administration (“FDA”) has announced that eggs from only one farm in Changhua County contained excessive levels of dioxin.


According to news reports, the Taiwan FDA recently found that the amount of dioxin in eggs coming from somewhere in Changhua County was 5.2 picograms per gram (pg/g), which exceeded the maximum permitted limit of 2.5 pg/g.

Following its dioxin findings, the Taiwan FDA ordered close to 8,000 kilograms of eggs removed from store shelves in Taiwan.

FDA Report

After investigating, the Taiwan FDA said that only one of the three farms it examined in Changhua County had eggs with the higher levels of dioxin. It then permitted sales of eggs from the two other farms to resume.

The farm with the higher dioxin levels has more than 42,000 hens. The Council of Agriculture has ordered the hens to be culled, and all of their eggs destroyed.

The government initially was not able to determine if the dioxin came from feed provided to the chickens or from another source. The dioxin in the eggs apparently did not match dioxin found around the farm, suggesting that environmental factors did not affect the level of dioxin in the eggs.

The government subsequently determined that an additive in chicken feed – tetrafuran, or 2,3,7,8-TCDF – was the cause of the raised dioxin levels.

The Environmental Protection Administration declared that the situation was a one-time occurrence. Still, the Council of Agriculture announced that it would revise existing regulations regarding dioxin levels in animal feed.

For further information, please contact Paul V. Majkowski, Lawrence S. Han, or your regular Rivkin Radler attorney.

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