Besides lameness and mastitis fertility problems are one of the most costly production diseases in dairy farming today. The costs of poor fertility has been estimated  to be over €200/cow/year and account for about  25% of  early culling. Good nutritional management with special emphasis on the ß-Carotene supply helps to reduce the incidence of fertility problems. Consequently  ROVIMIX® ß-Carotene can contribute significantly to the economic viability of the dairy herd.