The Optigrid 45 from Huvepharma is a feed additive used to promote weight gain and improve feed efficiency in finishing feedlot cattle. It has received the FDA-approval.
Optigrid 45, which is comprised of the active ingredient ractopamine hydrochloride, is a bio-equivalent product to Optaflexx. It can be fed as a complete feed or top dress feed to cattle fed in confinement for slaughter during the last 28 to 48 days on feed prior to harvest. When fed as a complete feed, ractopamine hydrochloride can also promote increased carcass leanness.