The costs incurred for treatment and from lost production due to mastitis have made it one of the biggest challenges facing the average dairy producer. Selecting cows that are more resistant to udder infections is therefore a priority. The use of somatic cell scores has been a practical management tool that has been used in many countries for the past 40-50 years. In the ‘90s this data became the basis for the first fitness trait to receive genetic evaluations worldwide. More recently data from mastitis incidences have been added so that many countries now have mastitis resistance proofs. However, genetic selection is only part of the answer. Here we bring you a number of management tools that are designed to help improve udder health.