How does a horse say "cheese"? Share a photo of your Purina Equine Senior fed horse in the comments section by December 15 and we may include your horse in a special Facebook album. #FeedGreatness Qualifications: Must be an unaccompanied portrait of your senior horse and horse must be fed Equine Senior Horse Feed. Please provide his/her name, age, and how long they have been fed Equine Senior. One post per horse please and all photos of your horse must be user owned. Be sure to follow our Rules of Engagement http://bit.ly/2ioMh50.