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What can I feed to improve my mare's fertility?

Last Updated: April 20, 2006

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There are no secret formulas or potions to increase mare fertility. It is important to have the mare enter the breeding season with a body condition score of five or greater (see the learning module on body condition scoring in horses) and fed a balanced diet. There is little evidence to suggest that protein, vitamins or mineral supplements will improve conception rates if mares are fed a balanced diet. Of course, a deficiency of any of several nutrients such as protein, phosphorus, selenium, iodine or vitamin A can reduce fertility.

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