Method of increasing fertility and athletic performance in horses

A method for treating a stallion whose sperm motility is below a desired level which comprises administering to the stallion a bioavailable and physiologically acceptable zinc salt in an amount sufficient to increase his sperm motility to said desired level.

A method for increasing the rate of conception in mares which comprises administering to said mare prior to a breeding attempt a biologically available and physiologically acceptable zinc salt in an amount sufficient to minimize, eliminate or prevent a zinc deficiency in said mare and thereby increase her ability to conceive.

A method for enhancing the production of healthy eggs in a mare's ovaries which comprises administering to a mare of reproductive age a biologically available and physiologically acceptable zinc salt in an amount sufficient to minimize, eliminate or prevent a zinc deficiency in said mare and thereby enhance her ability to produce healthy eggs.

A method for increasing the frequency with which an equine pregnancy results in the birth of a healthy, live foal which comprises administering to a pregnant mare a bioavailable and physiologically acceptable zinc salt so as to elevate the mare's serum zinc level during her pregnancy to a level which enhances her ability to give birth to a healthy, live foal.

A method for elevating the concentration of zinc in the body fluids and tissues of a horse which comprises administering to a horse suffering from a zinc deficiency in his or her body fluids and tissues a bioavailable and physiologically acceptable zinc salt in a dosage regimen sufficient to eliminate or minimize said zinc deficiency.

A method for elevating the concentration of zinc in the body fluids and tissues of a horse which comprises administering to a horse a bioavailable and physiologically acceptable zinc salt in a dosage regimen sufficient to prevent a zinc deficiency in his or her body fluids and tissues.

A method of increasing the athletic performance of a horse, which comprises administering a bioavailable and physiologically acceptable zinc salt to said horse in an amount sufficient to increase said horse's exercise performance.