SalmonSalmon farmer Cermaq to cull 900,000 fish due to infectionThe company is culling fish in six cages at its Olderfjord site.Cermaq Norway is being forced to cull as many as 900,000 fish at its Olderfjord site in Hammerfest, Norway.Foto: CermaqVilde Ferah MolvenDominic Welling