1. Agricultural Prices. 2024. USDA Econ. Stat. Mark. Inf. Syst. Available from: https://usda.library.cornell.edu/concern/publications/c821gj76b.
2. Herd Level Yield Gap Analysis in a Local Scale Dairy Farming System: A Practical Approach to Discriminate between Nutritional and Other Constraining Factors
3. Ankom Technology. 2011. Neutral detergent fiber in feeds – filter bag technique (for A2000 and A2000I). Method. 610–11. https://www.ankom.com/analytical-methods-support/fiber-analyzer-a2000.
4. Ankom Technology. 2017. Acid Detergent Fiber in Feeds Filter Bag Technique (for A200 and A200I) ADF Method Method 5. Ankom Technol. 1–2. Available from: https://www.ankom.com/analytical-methods-support/fiber-analyzer-a2000.
5. Ankom Technology. 2020. Determining acid detergent lignin in beakers. Ankom Technol. 1–2.