(se) CONICOM AB (1997) Foderstat för häst. Software für die Pferdefütterung, Rationsberechnung
(en) HorseMath (2012). Feed Calculator. Horse Feed and Dietary Supply Calculator (online, free). This values are calculated from equations and other data presented in the 6th revised edition of the "Nutrient Requirements of Horses" (NRC, 2007).
(de) HORST A. (2011). OPTIFEED 1.3. Fütterungsprogramm mit Gewichtsermittlung.
(en) WinFeed (UK) Limited, Cambridge, UK. (2005). WinFeed 2.8. Easy to use software for "Least Cost Feed Formulation".