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Progesterone and Regumate® (altrenogest) Use in Horses
  by Robert N. Oglesby DVM


Introduction » Pharmacology » Uses » Precautions and Warnings » Drug Interactions » Dosage » Client Information » Preparations Available » More Info 

Progesterone is a useful hormone in mares and has been used for:
  • suppressing estrus (heat) in mares
  • normalizing erratic cycling in mares during the transitional periods
  • timing ovulation and breeding in mares
  • maintenance of pregnancy following septic conditions
  • and controversially, maintenance of early pregnancy do to low progesterone levels

Progesterone and related natural hormones are released from the corpus luteum on the ovary and from certain structures of the placenta. Hormones with progesterone-like activity are called progestanes. Regumate® is a man made progestane, altrenogest, that has strong progesterone properties and can be placed in the feed. The proper use of progesterone and Regumate® requires understanding the hormones actions. This article discusses the actions of these hormones and their use in equine medicine and reproduction.

Before spending hundreds of dollars on Regumate® to prevent early embryonic loss, we recommend you read this article.
      ~Word Count: 1720 words (The average magazine page contains about 600 words);
      ~Last Updated: July 10, 2015;
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Discussions on Regumate® & Progesterone
  Titles Subtopics Posts Updated
iconTransporting mare once pregnant...Regumate suggested by breederMay 1, 10
iconOvariectomy and RegumateFeb 2, 10
iconProgesterone levelsDec 17, 09
iconDiscontinuing Regumate....How and whenSep 16, 09
iconRegumate and back soreness?Jun 8, 08
iconBreeding Farm - Started on ProgestroneApr 16, 08
iconGeneric regumateSep 13, 05
iconQuestions on use of Regumate13 Aug 19, 13
iconEffect of prolonged use of altrenogest on behaviour in maresFeb 4, 05
iconEffects of Regumate13 Jun 8, 05
iconDepo ProveraApr 29, 03
iconRegumate - UK member questionFeb 17, 03
iconOral regumate and progesterone shotJul 3, 02
iconRegumate and progesterone shotMay 26, 02
iconAlternatives to Regumate for behavioral problems14 Mar 18, 09
iconEffects Of Regumate on BehaviourNov 6, 02
iconStopping CyclingApr 3, 02
iconThe use of progesterone for behavoural problems12 Sep 25, 01
iconRegumate use to prevent aborting13 Jun 5, 01
iconAlternatives to Regumate for making my mare comfortable--Dr O?Feb 3, 01
iconEarly parturitionOct 1, 00
iconFrequent seasons ?Mar 14, 03
iconRegumate for stallions12 Nov 28, 08
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