A few years back we had a colic and Cory Soltau, DVM was out and told me if I used Ration Plus I could avoid a great many colics and by golly, it's proven to be true. My 23 y/o mare looks fantastic and holds her weight as does our highstrung NSH who has had problems with weight, prior to using that product. (I must add that at the first sign of anything "off" I give the horse homeopathic Aconitum Napellitum 3 times every 15 minutes in the 30C dose: works like a champ.) Anyway, on EBay you can buy Ration Plus in various sizes at greatly reduced rates...much cheaper than buying the 16 oz. bottle from the vendors. Now, if someone could just tell me how to stop this UNDERLINING dilemma I'd be in good shape :-) Best to you all,