The Advocate Opening of new hatchery expected to double seed oyster production at LSU's ... The Advocate Photo by AMY WOLD --LSU professor and director of the oyster laboratory John Supan holds up some seed oysters being grown at the new oyster hatchery on Grand Isle. Photo provided by Roy Kron -- The new oyster hatchery on Grand Isle is about 20 feet ... and more ยป Continue reading...