Horses love food and adore special treats like snacks that you can give them for good behavior or when you are clicker training them. There are snacks that are good for them and then there are some that you should not consider feeding to a horse.
Please click on the infographic below to see it full size for easy reading.
16-things-you-should-never-feed-your-horse.png (PNG Image, 800 × 7500 pixels)
The infographic is by the team at Ride-away