Black walnut
Black walnut in particular — nuts, husks and fallen debris under the tree, including when mouldy.
If you suspect exposure
Contact a veterinarian or emergency veterinary service.
Dyrli cannot assess what applies to your pet.
The information has been checked against the pages linked under each result.
This is general information. Dyrli cannot assess what applies to your pet.
Representative food image; variety and appearance can vary.
Image credit: Wikimedia Commons contributorPublic domain
What the answers mean
Important to know · Dyrli does not provide doses, treatment or an urgency assessment.
- Known hazardThis is stated to be harmful to this animal.
- May be harmfulThis is stated to possibly be harmful to this animal.
- UnclearWe did not find a clear answer for this animal.
Answers for each animal
Horse
Known hazard
This is stated to be harmful to this animal.
- Read more at
- ASPCA Animal Poison Control
- Date shown
- 28 Aug 2026
- Last checked
- 28 Aug 2026
Dog
Known hazard
This is stated to be harmful to this animal.
- Read more at
- ASPCA Animal Poison Control
- Date shown
- 28 Aug 2026
- Last checked
- 28 Aug 2026
Not checked yet
We have not checked this for these animals yet. That does not mean it is safe.