United States
Print page content Print
Increase text size Decrease text size
Text Size

MGA® 500 Premix

(melengestrol acetate)

MGA 500 PREMIX

Type A medicated article for mixing with non-medicated feed for increased rate of weight gain, improved feed efficiency and suppression of estrus (heat).

Expand All
  • Uses:

    Type A medicated article for mixing with non-medicated feed for increased rate of weight gain, improved feed efficiency and suppression of estrus (heat).

    Key Facts:

    • MGA 500 is used in liquid feed.
    • Contains melengestrol acetate (MGA) for mixing with non-medicated feed.
    • Provides increased rate of weight gain, improved feed efficiency and suppression of estrus (heat) in heifers fed for slaughter.
    • MGA may be fed in combination with Bovatec® (lasalocid) in a single dry supplement with or without Tylan® (tylosin phosphate).  MGA may be fed with Zilmax® (zilpaterol hydrochloride) or Optaflexx® (ractopamine hydrochloride), Rumensin® in a single dry supplement with or without Tylan.  MGA also is approved for use in combination with oxytetracycline.
    • MGA has no pre-slaughter withdrawal.
    • Should be thoroughly mixed in liquid Type C medicated feed, which must be fed at 0.5-2.0 lb. per head daily.  Consistent daily intake provides optimal improvements in rate of gain and feed utilization and a high degree of estrus suppression. Suppression of estrus is maximized at the 0.50 mg feeding level.