April 23 (SeeNews) - Croatian Adriatic port operator Luka Ploce [ZSE:LKPC] turned to a consolidated pre-tax loss of 54,000 euro ($61,600) in the first three months of this year, from a pre-tax profit of 2.4 million euro in the prior-year period, amid a drop in cargo throughput following the suspension of railway traffic to Bosnia.