Stellar Biotechnologies to Present at ImVacS 2012 Summit on August 13-16, 2012 PORT HUENEME, CA--(Marketwire - Jun 25, 2012) -  Stellar Biotechnologies, Inc. ("Stellar") (TSX VENTURE: KLH) (PINKSHEETS: SBOTF) (FRANKFURT: RBT) is pleased to report that an abstract prepared...