“…In OC selection, the intensity of use of each selection candidate is optimized according to an index that basically contains the expected genetic merit of the future progeny and the coancestry among selected parents. Several studies have shown the benefits of implementing OC in aquaculture breeding programmes, in terms of maximizing genetic response with controlled rate of inbreeding (D'agaro, Woolliams, Haley & Lanari, 2010;Hinrichs & Wetten, 2006;Holtsmark, Klemetsdal, Sonesson & Woolliams, 2008;Kause, Ritola, Paananen, Wahlroos & M€ antysaari, 2005;Liu, Meuwissen, Sørensen & Berg, 2015;Nielsen, Sonesson & Meuwissen, 2011;Skaarud, Woolliams & Gjøen, 2011, 2014Sonesson, 2005).…”