Feed XL is a horse feed rations program where you can easily and simply have a balanced feed ration worked out for your horse.
It has all the major commercial horse feed analysis in its data base as well as the ability to add other non traditional feeds to complete a balanced diet so your horse gets all the vitamins, minerals and energy it needs based on horse condition, age, work load.

you can subscribe to the program and have it all the time or pay a one off fee each time you wish to get a new feed ration.

http://feedxl.com/tour.html