HeifermaX 500 by Elanco Animal Health Co / Virbac Corporation / CRYSTAL PHARMA SAU
HeifermaX 500 by
Drug Labeling and Warnings
HeifermaX 500 by is a Animal medication manufactured, distributed, or labeled by Elanco Animal Health Co, Virbac Corporation, CRYSTAL PHARMA SAU. Drug facts, warnings, and ingredients follow.
Drug Details [pdf]
HEIFERMAX 500- melengestrol acetate liquid
Elanco Animal Health Co
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Elanco™
HeifermaX® 500 (melengestrol acetate)
Liquid Premix
(Type A Medicated Article)
Heifers Fed in Confinement for Slaughter: For Increased Rate of Weight Gain,
Improved Feed Efficiency, and Suppression of Estrus (Heat).
Heifers Intended for Breeding: For Suppression of Estrus (Heat).
Not for human use.
DIRECTIONS FOR USE:
Heifers Fed in Confinement for Slaughter:
HEIFERMAX® 500 should be thoroughly mixed in liquid Type C medicated feed which must be fed at 0.5 to 2.0 pounds per head daily to provide 0.25 to 0.5 mg of melengestrol acetate per head per day. Average daily intakes approximating the middle of this range provide the most optimal and economical improvements in rate of weight gain and feed utilization. Constant daily intakes of 0.35 to 0.50 mg per head per day give a high degree of estrus suppression. Levels of 0.25 to 0.35 mg provide a lower but still effective degree of estrus suppression.
Heifers Intended for Breeding:
HEIFERMAX® 500 should be thoroughly mixed in the supplement to provide 0.5 mg of melengestrol acetate per head per day.
Heifers Fed in Confinement for Slaughter:
Withdrawal periods of three to five days or more should be avoided to prevent the possibility that the heifers may come into estrus (heat) at loading time.
Heifers Intended for Breeding:
Do not exceed 24 days of feeding of melengestrol acetate to heifers intended for breeding. A reduced conception rate can be expected if heifers are bred at estruses observed within 1 to 12 days after withdrawal of melengestrol acetate, whereas heifers bred at subsequent observed estruses are expected to have normal conception rates.
Not effective in steers or spayed heifers.
MIXING DIRECTIONS:
Liquid Type B and C medicated feeds containing melengestrol acetate must have a pH of 4.0 to 8.0 and their labels must bear appropriate mixing directions. Mixing directions for liquid Type B (or C) feeds stored in recirculation tank systems are: “Recirculate immediately prior to use for no less than 10 minutes, moving not less than 1 percent of the tank contents per minute from the bottom of the tank to the top. Recirculate daily, as directed in this paragraph even when the Type B (or C) feed is not used.” Mixing directions for liquid Type B and C feeds stored in mechanical, air or other agitation-type tank systems are: “Agitate immediately prior to use for not less than 10 minutes, creating a turbulence at the bottom of the tank that is visible at the top. Agitate daily, as directed in this paragraph, even when the Type B (or C) feed is not used.”
Intermediate premixes should not be made from HEIFERMAX® 500 except as a part of a continuous mixing operation to make a complete liquid Type B (or C) medicated feed.
Thoroughly mix 0.5 to 4 pounds of HEIFERMAX® 500 per ton of a non-medicated feed to prepare a Type C medicated feed containing 0.25 to 2.0 grams of melengestrol acetate per ton. The following table may be used as a guide in determining the amount of HEIFERMAX® 500 to be added to prepare a ton of Type C medicated feed.
|
Amount of Type C Feed Fed (lb/head/day) |
Melengestrol Acetate (mg/head/day) | HEIFERMAX®
500 Liquid Premix Per Ton of Type C Feed |
|
| When Added by Weight (lb) | When Added by Volume (mL) |
||
| 0.5 | 0.25 | 2.00 | 876 |
| 0.5 | 0.30 | 2.40 | 1051 |
| 0.5 | 0.35 | 2.80 | 1226 |
| 0.5 | 0.40 | 3.20 | 1402 |
| 0.5 | 0.45 | 3.60 | 1577 |
| 0.5 | 0.50 | 4.00 | 1752 |
| 1.0 | 0.25 | 1.00 | 438 |
| 1.0 | 0.30 | 1.20 | 526 |
| 1.0 | 0.35 | 1.40 | 613 |
| 1.0 | 0.40 | 1.60 | 701 |
| 1.0 | 0.45 | 1.80 | 788 |
| 1.0 | 0.50 | 2.00 | 876 |
| 1.5 | 0.25 | 0.66 | 289 |
| 1.5 | 0.30 | 0.80 | 350 |
| 1.5 | 0.35 | 0.93 | 407 |
| 1.5 | 0.40 | 1.07 | 469 |
| 1.5 | 0.45 | 1.20 | 526 |
| 1.5 | 0.50 | 1.33 | 582 |
| 2.0 | 0.25 | 0.50 | 219 |
| 2.0 | 0.30 | 0.60 | 263 |
| 2.0 | 0.35 | 0.70 | 307 |
| 2.0 | 0.40 | 0.80 | 350 |
| 2.0 | 0.45 | 0.90 | 394 |
| 2.0 | 0.50 | 1.00 | 438 |
Type B medicated feed containing 4 to 10 grams melengestrol acetate per ton may be manufactured by thoroughly mixing 8 to 20 lbs of HEIFERMAX® 500 with 1992 to 1980 lbs of non-medicated feed. Labeling for such Type B feed shall contain directions for manufacturing Type C medicated feeds containing 0.25 to 2.0 grams melengestrol acetate per ton (0.125 to 1.0 mg/lb). The Type C medicated feed, containing melengestrol acetate, must be top dressed on grain or roughage or mixed with a complete ration at the rate of 0.5 to 2.0 pounds per head per day.
Good manufacturing practice regulations must be adhered to in manufacturing feeds containing HEIFERMAX® 500.
Restricted Drug — Use only as Directed (California)
Elanco, HeifermaX and the diagonal bar are trademarks owned or licensed by Eli Lilly and Company, its subsidiaries or affiliates.
Distributed by Elanco Animal Health, a Division of Eli Lilly and Company, Indianapolis, IN 46285, USA
To report adverse events, access medical information, or to obtain additional product information, call 1-800-428-4441
ANADA 200-343, Approved by FDA
Principal Display Panel - Carton label
Elanco™
HeifermaX® 500
(melengestrol acetate) TM
Liquid Premix
(Type A Medicated Article)
HEIFERS FED IN CONFINEMENT FOR SLAUGHTER:
For increased Rate of Weight Gain, Improved Feed Efficiency, and Suppression of Estrus (Heat).
HEIFERS INTENDED FOR BREEDING:
For Suppression of Estrus (Heat).
Each Pound Contains:
Active Drug Ingredient:
Melengestrol acetate .............................................................500 mg
(as melengestrol acetate and its propylene glycol ketal)
Inactive Ingredient:
Propylene glycol, USP..............................................................99.89%
Precautions: For manufacturing, processing, or repacking. To be mixed with feed prior to animal use.
Use only as directed. Excessive contact with skin should be avoided. Destroy empty container. Do not reuse.
Store at controlled room temperature (20° to 25°C)
ANADA 200-343, Approved by FDA
Net Weight 40 Pounds (18 kg) (4.627 gal [17.5 L]) AF0637 YL086323AMA (V02-09-2012)
Principal Display Panel - Pail Label
Elanco™
HeifermaX® 500
(melengestrol acetate) TM
Liquid Premix
(Type A Medicated Article)
Store at controlled room
temperature (20° to 25°C)
Distributed by Elanco Animal Health,
a Division of Eli Lilly and Company,
Indianapolis, IN 46285, USA
1 (40 lb [18 kg]) (4.627 gal [17.5L])
AF0637 SH086323AMX V02-09-2012
| HEIFERMAX 500
melengestrol acetate liquid |
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| Labeler - Elanco Animal Health Co (807447169) |