The toxic chemical dioxin has been found on a ninth egg producing farm in Germany, authorities have confirmed.
The discovery marks the ninth in the space of four months, all within the north-west region of the country.
The poisonous chemical was found during routine checks at a large poultry unit near Aurich. Eggs from the farm have been recalled and the farm is now under quarantine pending an investigation into the source of contamination.
Tighter safety regulations and feed checks have been in place throughout the country, following a dioxin health scare last year.
Investigators believe the series of outbreaks has been caused by hens roaming on fields that have been contaminated with construction materials.
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Dick ZiggersEditor: AllAboutFeed / Blog: Poultry Industry