Spartan Dairy 3 is a Windows-based, stand-alone computer program for use in evaluating and formulating diets for dairy cattle. It was designed to formulate reasonable diets in a relatively short period of time using the latest science. The current version is 3.0.3 (August, 2011). It will work on Macintosh computers using a program like Parallels.
This web site is designed to give an overview of the product, provide a demonstration version of it, and help you use it effectively.