Contaminated Dog Chews Linked to Neurological Disorder Across Europe

Suspected toxins in certain chew products have caused severe symptoms in dogs, prompting recalls and investigations in multiple countries.

The so-called 'Werwolf-Syndrom,' a neurological disorder in dogs, has been linked to contaminated chew bones sold across Europe.
Symptoms include panic attacks, loud howling, uncoordinated movements, and in some cases, epileptic seizures, with cases reported since August 2024.
Authorities in countries like the Netherlands, Denmark, and Finland have initiated product recalls, including items from the 'Barkoo' brand distributed by Zooplus.
Investigations suggest the contamination may involve unknown toxins in beef-derived ingredients, potentially sourced from a supplier in China.
Researchers from TiHo Hannover and LMU Munich have launched a study to further analyze the disorder, and affected pet owners are encouraged to contribute data.