The symptoms described are neurological, including anxiety, anxiety, and excessive howling in these dogs, says Jessica Schenck at the Board of Agriculture to SVT.
So far, authorities in the Netherlands, Denmark, and Finland have released information that chew toys are suspected to have caused illness and death, writes the Board of Agriculture on its website.
The Board of Agriculture advises that information about which products are concerned can be found at the Dutch authority for food and consumer product safety.
Those who have purchased these chew toys should contact the point of purchase. If the dog that has chewed on them shows suspected symptoms, the owner is urged to contact both the Board of Agriculture and the company that sold them.
Information has been released about which batches are concerned, which number these bags are marked with. If you have any of this feed, it should be discarded. You should not feed your animal with it, says Jessica Schenck.