How many finfish aquaculture sites have (a) been closed and (c) surrendered their licence since 1 January 2018:There have been 25 finfish aquaculture farm sites de-registered and no longer in operation;There have been 57 finfish aquaculture farm sites inactivated as they are either in long term fallow or there are no current plans to stock them, although the APB may still be in operation;There have been 15 finfish APBs de-registered, no longer in operation which have surrendered authorisation to operate;There have been 15 finfish APBs which are registered as non-producing businesses, and have no farm sites in operation, which have surrendered authorisation to operate.How many finfish aquaculture sites have (b) had their licence withdrawn since 1 January 2018 (withdrawn being interpreted by the Fish...