Aquaculture Research, 2016, 1–12 doi:10.1111/are.13105 Synbiotic effect of Bacillus mycoides and organic selenium on immunity and growth of marron, Cherax cainii (Austin, 2002) Irfan Ambas1,2, Ravi Fotedar2 & Nicky Buller3 1Department of Fishery, Faculty of Marine Science and Fishery, Hasanuddin University, Makassar, Indonesia 2Sustainable Aquatic Resources and Biotechnology, Department of Environment and Agriculture, Curtin University, Bentley, WA, Australia 3Animal Health Laboratories, Department of Agriculture and Food Western Australia, South Perth, WA, Australia Correspondence: I Ambas, Department of Fishery, Faculty of Marine Science and Fishery, Hasanuddin University, JL. P Kemerdekaan km. 10, Makassar 90245, Indonesia. E-mail:
[email protected] B. mycoides may improve a particular immune Abstract parameters of marron and to a lesser extent their The present feeding trial examined the effect of growth. synbiotic use of Bacillus mycoides and organic sele- nium (OS) as Sel-Plex on marron immunity, Keywords: marron, synbiotic, Bacillus mycoides, growth and survival. The marron were cultured in organic selenium, immunity and growth recirculated tanks and fed test diets consisting of a basal diet; basal diet supplemented with Introduction B. mycoides (108 CFU gÀ1 of feed); basal diet sup- plemented with OS (Sel-Plex) (0.2 g kgÀ1 of feed) Prebiotics and probiotics have been extensively used and basal diet supplemented with synbiotic in aquaculture (Burr & Gatlin 2005; Denev, Staykov, (B. mycoides at 108 CFU gÀ1 and OS 0.2 g kgÀ1 Moutafchieva & Beev 2009; Ganguly, Paul & feed) diet, in triplicate. The effect of the prebiotic Mukhopadhayay 2010; Dimitroglou, Merrifield, OS (Sel-Plex) on the growth rate of B.