it sounds like the horse is cribbing. Cribbing is a habit that horses have. You should get the horse a cribbing collar, that helps fix the problem. If the horse has ingested any of the paint ask a vet to check it out.
that is unhealthy for them and can cause poisoning
No, it is toxic to any animal.
horses - of any kind - don't eat fur
Horses do not like to eat leeks
Yes, they are fine for horses to eat, though some horses might not like them.
Some people like eating horses...Like if you like chicken or ham, or something. So they just eat it because they LIKE it.
Grain, Grass, and hay, just like normal horses eat
Horses eat mostly grass and hay. They have never been reported eating leaves.
Food
Yes, most horses do not like them.
Horses can eat most any Vegetables and Lima Beans are very healthy for them in small quantities
Food.
no