
Readyserve Oral Liquid

Altrenogest is a synthetic progestogen that mimics endogenous progesterone. It suppresses estrus and prevents ovulation by inhibiting the release of gonadotropins from the hypothalamic-pituitary axis. Upon withdrawal, mares resume natural cycles and return to estrus within days.
Recent Pharmaceutical Advancement:
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Injectable Formulation Developed
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Sustained blood levels for 5–7 days post-administration
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Ensures consistent estrus suppression in cycling mares
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Reduces need for daily dosing (compared to oral formulations)
Indications for Use:
Oral Liquid Administration:
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Induces ovulatory estrus early in season
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Suppresses estrus during training, travel, or competition
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Controls ovarian activity for breeding program efficiency
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Maintains pregnancy in mares with suspected progesterone deficiency
Injectable Use:
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Suppresses estrus for 5–7 days
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Repeat injections may be administered at defined intervals
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Supports pregnancy maintenance in mares with luteal dysfunction
Pharmacokinetic Profile:
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Sustained release over 5–7 days
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Maintains therapeutic plasma levels for optimal efficacy
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Enables precise scheduling of reproductive interventions
Key Benefits:
Suppresses estrus in active mares
Regulates breeding cycle timing
Supports high-risk pregnancies
Enhances fertility program success
Reduces hormone fluctuation symptoms
Administration and Dosage:
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Oral Form: Daily as directed
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Injection: Intramuscular, every 5–7 days
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Dosage per weight and indication
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Veterinarian-only administration required
Altrenogest 2.2 mg/mL in a medium chain triglyceride solution