Most horse breeding farms consider a 65 percent conception rate about average, but that means 35 percent of all the mares bred will not have another opportunity to become pregnant until the next breeding season…a year later. If your mare is in this category, you may well wonder why this is happening and what if anything can be done to enhance your mare’s likelihood of getting pregnant. Dr. Margo Macpherson, an equine reproduction expert, will discuss ways to enhance the possibilities of pregnancy success with your mare through factors such as breeding practices and proper nutrition.