No, but too much of them can cause colic.
is eating acorns toxic for a dog?
True weeping willows are not toxic to horses, but other varieties may be.
Caffeine is uncontrollably more toxic to animals including dos, horses, and parrots.
Eating an acorn can cause stomach discomfort and digestive issues due to its high tannin content. It is not recommended to eat acorns raw as they can be toxic if not properly processed.
There is a tiny bit of cyanide in the seeds of horse. They are technically toxic to horses, but only if the horse eats enough of them to raise the level or cyanide in their body to toxic levels.
Acorns and oak leaves contain tannic acid, which is poisonous to horses. One acorn won't kill him, but too many definitely can.
95% not
No, it is toxic to any animal.
Black walnut is especially toxic to horses and should never be brought onto the same property where horses are kept. It does not really matter what form the wood is in it stays toxic to the horses and can bring on allergic reaction and severe laminitis.
It is unclear whether or not Ixora plants are toxic to horses. In cases like these it is best to avoid letting horses have contact with the plants until it is fully determined to be toxic or not.
African Daisies are listed as non-toxic to horses. If you are at all concerned about them remove them from where the horses could gain access to them.
it can be toxic to poultry, cattle, sheep and horses, possible other animals as well.