Recent advances in commercial EU dam genetic lines have led to sows producing more piglets born alive, leading to more finished pigs than ever before. Therefore, the extent of support offered to the modern sow is important to ensure maximum lifetime performance. Sow feed intake and management during lactation is one fundamental aspect in maintaining optimum performance, and with increasing numbers of piglets born alive, the requirement for high quality milk is amplified. Heidi Hall of Anpario examines the adverse effects of meeting such milk requirements on the sow.