General Principles of Designing a Nutrition Experiment -- Most Common Designs and Understanding Their Limits -- Practical Relevance of Test Diets -- Characterization of the Experimental Diets -- Measurements of Nutrients and Nutritive Value -- Designing, Conducting and Reporting Swine and Poultry Nutrition Research -- Extending the Value of the Literature : Data Requirements for Holo-analysis and Interpretation of the Outputs -- Presentation and Publication of Your Data.