Rhode Island Sea Grant College Program, Graduate School of Oceanography, University of Rhode Island, 129 Coastal Institute, Narragansett, RI 02882-1197, USA, Email: aquaculture@gso.uri.edu
Dept. of Wildlife and Fisheries Sciences, Texas A&M University, 210 Nagle Hall, 2258 TAMUS, College Station, TX 77843-2258, USA, Email: d-gatlin@tamu.edu
G. Hulata
Dept. of Poultry and Aquaculture Sciences, The Volcani Center, Agricultural Research Organization (ARO), P.O. Box 6, 50250 Bet Dagan, Israel, Email: vlaqua@volcani.agri.gov.il
P.R. Smith
Dept. of Microbiology, National University of Ireland, Galway, University Rd., Galway, Ireland, Email: aqua.smith@nuigalway.ie