The Merino Lifetime Productivity (MLP) project is the world’s largest Merino experiment, tracking the lifetime performance of 5,700 ewes as they proceed through four to five joinings and annual shearings at five sites across the country. We are now starting to get some fascinating results which are uncovering some of the mysteries of Merino genetics. Hear from Ben Swain (AMSEA) as well as MerinoLink and Pingelly site hosts Marty Moses and Dr Bronwyn Clarke.