John Moran is a retired Australian senior research and advisory scientist from Victoria's Department of Primary Industries. While working for DPI, he advised both farmers in southern Australia and dairy farmers and advisers in South and East Asia. His specialist fields include dairy production, ruminant nutrition, calf and heifer rearing, forage conservation and whole farm business management. He manages his consultancy firm, Profitable Dairy Systems, and has published over 200 research papers and advisory articles and five previous books on tropical dairy farming.