Mare Supplements

The supplements in this category were made just for your mare. If you have concerns about your mare's moodiness, work with your veterinarian to find out why and consider a supplement designed to help take her from moody to mellow. Some of the formulas in this category include herbs such as raspberry leaf, Vitex agnus-castus, and cramp bark to support balanced hormones and an even disposition. The mare supplement category is also where you'll find formulas to help provide your broodmare with optimal nutrition.

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  • $21.95 - $91.95

    SmartSupplements by SmartPak
    Best-selling formula for moody mares
    • 840 mg of raspberry leaf and other specialized ingredients support normal hormone levels
    • 500 mg of chamomile and 150 mg of passion flower help maintain a calm disposition
  • $14.95 - $55.95

    Solid Ideas LLC/Mare Magic
    A customer favorite for calming & moodiness
    • Pure, dried raspberry leaf helps support a quiet disposition in mares & geldings
  • $24.90 - $98.95

    Farnam Companies, Inc
    The breeder's choice
    • Vitamins & minerals to support optimal condition during conception, parturition & lactation
  • $49.95

    Hilton Herbs
    Helps your mare stay relaxed
    • A blend of vitex agnus castus, valerian, chamomile, vervain & other herbs
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Mare-ish Behavior


What is it?

Some mares experience temperament changes when they come into "heat" that not only interfere with training and showing but also make day-to-day handling a challenge. These changes in behavior can range from trouble focusing to acting like there is physical pain to just being irritable and cranky. Temperament changes may be most noticeable during the spring and fall when mares transition into and out of the breeding season.

What can be done about it?

The complete estrous cycle in the mare is about 21-22 days long. Actual "heat" or estrus averages 5-7 days, although it can range from 2-11 days. During this time the hormone estrogen peaks and mares become receptive to stallions. After ovulation, mares go out of heat for 14-16 days while under the influence of a different hormone, progesterone. Mares that do not seem to cycle properly or that become dangerous during estrus should be examined by a veterinarian to rule out medical problems. A veterinarian can also prescribe Regumate, a man-made form of progesterone, which can be given orally to mares for up to 15 days in a row to suppress estrus and the behavioral changes that can come with it. Several herbs are used to support a healthy and balanced hormonal system in the mare, such as Vitex agnus castus and Raspberry leaf.

What else do I need to know?

Owners should carefully review their overall management to make sure that any behavioral problems are not due to improper diet, lack of turnout and socialization, poor ground handling skills, too little or too much exercise, ill-fitting tack, training and showing schedules, transport, or some other stress.
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I started riding when I was 9 years old and quickly got swept up into the competitive hunter/jumper world. I showed my first pony, Chloe, in the Small Pony Hunter divisions were we competed at shows like Fairfield Hunt Club, Old Salem, HITS, and West...

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