ASReml is powerful statistical software specially designed for mixed models using Residual Maximum Likelihood (REML) to estimate the parameters. Linear mixed-effects models provide a rich and flexible tool for the analysis of many data sets commonly arising in animal, plant and aqua breeding, agriculture, environmental sciences and medical sciences. ASReml is fast and efficient software that makes fitting complex linear mixed models possible and easy. Theoretically advanced analysis techniques with algorithms that are rigorously tested to deliver results that can be trusted Used by over 10,000 professionals and is cited in thousands of research papers. Accurate and trustworthy data analysis is imperative to your research goals.