This a link to ingredients specifications for poultry. Don't know if it was posted before. http://www.ingredients101.com/specification.htm With these informations, you can download a recipe formulator for rabbit and adjust it for poultry. the link: http://world-rabbit-science.com/ go to: On-line scientific documents and clic on the image of: [FONT=Arial, Helvetica, sans-serif]FREE on line RABBIT FEEDS FORMULATION SOFTWARE PACKAGE [/FONT]then you can download it and use it for free with excel. I'm working on it and I think it's very valuable for those interested to formulate their own poultry feed. Have fun!