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Supplement for Pregnant Mare

I would like to know if Mare Plus is dangerous to feed to a mare newly pregnant. It expired in July 08, is in SmartPaks, and has been kept cool and dark. I would expect it to be not as potent but is it okay for the first trimester? Debbie

Dear Debbie,

There are really two questions here: 1) should Mare Plus be fed to a pregnant mare and 2) should a supplement that expired two years ago still be fed?

Mare Plus

As Low As: $24.90
(59 reviews)
Question One: Since Mare Plus is advertised as a “vitamin-mineral supplement to bring the mare’s system into a properly balanced condition, optimal for conception, parturition and lactation,” it appears it is specifically formulated for pregnant and nursing mares and so should be fine.

Question Two: This one is a bit trickier. Although SmartPaks have been shown to protect the freshness and potency of supplements, we typically do not recommend feeding SmartPaks which are more than six months old. Since even in the most optimal conditions vitamins degrade over time—and reactions between ingredients can occur–my advice is to toss these and start over. Your goal is to provide your mare and her baby with optimum nutrition and I’m not so sure a supplement that expired two years ago is going to help you do that. My suggestion is to give your new foal a leg up on life by feeding his mom a freshly made and packaged multi-vitamin!

Lydia F. Gray, DVM, MA SmartPak Staff Veterinarian and Medical Director Dr. Lydia Gray has earned a Bachelor of Science in agriculture, a Doctor of Veterinary Medicine (DVM), and a Master of Arts focusing on interpersonal and organizational communication. After “retiring” from private practice, she put her experience and education to work as the American Association of Equine Practitioner’s first-ever Director of Owner Education. Dr. Gray continues to provide health and nutrition information to horse owners through her position at SmartPak, through publication in more than a dozen general and trade publications, and through presentations around the country. She is the very proud owner of a Trakehner named Newman that she actively competes with in dressage and combined driving. In addition to memberships in the USDF and USEF, Dr. Gray is also a member of the Illinois Dressage and Combined Training Association (IDCTA). She is a USDF “L” Program Graduate and is currently working on her Bronze Medal. Find Dr. Gray on Google+

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Posted in Ask the Vet, Nutrition

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One comment on “Supplement for Pregnant Mare
  1. Calamity Jane says:

    I wouldn’t think it would be safe so far past the expiration date. On the news the other day the resident doctor said that most human medications should not be used one year after the date. 2007 was four years ago. To be sure ask your vet.

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