http://www.thebeefsite.com/
http://www.themeatsite.com/
http://www.merckvetmanual.com/mvm/index.jsp
http://www.madr.ro/
http://www.anarz.eu/AnarzAdministratorSite/public/default.aspx
http://www.apia.org.ro/
http://bovine.unl.edu/bovine3D/eng/rota.jsp
http://www.momagri.org/FR/le-modele-momagri-intro.html