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Altren (altrenogest) (generic Regu-Mate)

Altren (altrenogest) (generic Regu-Mate)
150ml - bottle
1000ml - bottle
SKU : 2859_-RX
Price: $26.95
Price: $26.95

Veterinarian Prescription (Rx) Required
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  • The cost-effective alternative to Regu-Mate.
  • The same formulation and active ingredient as Regu-Mate.
  • Use to schedule estrus in mares and breeding in mares to maximize breeding efficiency.
How to Order Prescriptions


Altren (altrenogest) is used to suppress estrus in mares. This allows for a predictable occurrence of estrus after drug withdrawl and facilitate management of prolonged estrus conditions. 

Features and Benefits

    • Altren® is manufactured in Minnesota in a GMP facility registered with FDA.
    • The cost-effective alternative to Regu-Mate®.
    • The same formulation and active ingredient a Regu-Mate®.
    • Use to schedule estrus in mares and breeding in mares to maximize breeding efficiency.
    • Available in 1000 mL bottles along with a dispensin cap. Administer orally with dose syringe or by placing directly on feed.
    • 15-day treatment regimen allows performance horse to compete at their best.
    • Provides safe, effective suppression of estrus in mares — 95% effective after 3 days of treatment.
    • ReguMate® is a registered trademark of Merck Animal Health

Dosage and Directions

While wearing protective gloves, remove shipping cap and seal; replace with enclosed plastic dispensing cap. Remove cover from bottle dispensing tip and connect luer lock syringe (without needle). Draw out appropriate volume of Altren® solution. (Note: Do not remove syringe while bottle is inverted as spillage may result.) Detach syringe and administer solution orally at the rate of 1 mL per 110 pounds of body weight (0.044 mg/kg) once daily for 15 consecutive days. Administer solution directly on the base of the mare’s tongue or on the mare’s usual grain ration. Replace cover on bottle dispensing tip to prevent leakage. Excessive use of a syringe may cause the syringe to stick; therefore, replace syringe as necessary.

Dosage Chart

Approximate Weight in Pounds 
Dose in mL
770 7
 880 8
 990  9
 1100 10
1210 11
1320 12

How Supplied

Altren® (altrenogest) Solution 0.22% (2.2 mg/mL). Each mL contains 2.2 mg altrenogest in an oil solution. Available in 1000 mL plastic bottles.

by Aurora Pharmaceuticals