Cruz Mountain Miniature Horses- Home Page
Apple Tree (Malus sylvestrus)
Including crabapples

Poisonous to Miniature Horses as well as Cats and Dogs

Toxic chemical: Cyanogenic glycosides
The seeds, stems and leaves contain cyanide (increased if
wilted).

Symptoms of Poisoning: mucous membranes turn a brick
red color, pupils dialate, difficulty breathing, with panting and
leading to shock.
Keeping Your Miniature Horse Healthy