3.18 In the case of herring, the export restriction on unprocessed herring was necessary to maintain
the market niche created by Canadian industry in Japan for Canadian herring roe with superior taste
and texture. This niche was in fact occupied solely by Canada, since only Canadian exporters were
able to commit to deliver adequate supplies of high-quality herring roe, a commitment which was only
possible throughthe export restriction ensuringadequate supplies to Canadian roe processing operations.