$200.00  /  0.00507 Ƀ

In stock



Altresyn (altrenogest)

Altresyn (altrenogest)  is indicated to suppress estrus in mares. Suppression of estrus allows for a predictable occurrence of estrus following drug withdrawal.

Dosage & Administration

The recommended dosage of Altresyn is 1 ml per 110 lbs. body weight given once daily for 15 consecutive days.



Available Size

1000 ml bottle

Altresyn is for administration orally on back of mare’s tongue or applied to usual grain ration. Protective gloves should be worn when handling product; women who are pregnant or suspect they are pregnant should not handle Altresyn Solution 0.22%. Altrenogest.

How Altresyn (altrenogest) work?

Altresyn Solution 0.22% facilitates the attainment of regular cyclicity during the transition from winter anestrus to the physiological breeding season. Suppression of estrus will also facilitate management of prolonged estrus conditions. Suppression of estrus may be used to facilitate scheduled breeding during the physiological breeding season.

What are the side effects of Altresyn?

No known side effects

What to do if overdose?

In case of overdose contact your nearest pet hospital immediately.


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