The grain mix consisted of cracked wheat grain (Triticum aestivum L.) (815 g/kg DM), cracked lupins (Lupinus albus L.) (112 g/kg DM), minerals (51 g/kg DM), E Mag 523 (6 g/kg DM, Queensland Magnesia Pty Ltd., Toowong, Queensland, Australia), and limestone (16 g/kg DM). ...