Dr. H. Michael Simmons (email@example.com)
Mon, 23 Nov 1998 09:48:30 -0500 (EST)
Apparently some research has documented toxic effects of black walnut
contact for horses and dogs, but it is now believed that the chemical
causing adverse effects in these cases is something other than juglone.
Horses develop equine laminitis (inflammation of the laminae in the
hooves) when bedded on wood shavings which contain more than 20% of black
walnut shavings. Ingestion of the shavings can induce mild colic as well.
Dogs that ingest walnut hulls often suffer gastroenteritis which resolves
without treatment when hulls are no longer ingested.
H. Michael Simmons, Ph.D.
Community Garden Project
Bloomington Parks and Recreation
Bloomington, IN 47402
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