PROPOSAL FOR A COUNCIL REGULATION AMENDING REGULATIONS ( EEC ) NO 2759/75, ( EEC ) NO 2771/75 AND ( EEC ) NO 2777/75 ON THE COMMON ORGANIZATION OF THE MARKETS IN PIGMEAT, EGGS AND POULTRYMEAT AND REGULATIONS ( EEC ) NO 2764/75, ( EEC ) NO 2773/75 AND ( EEC ) NO 2778/75 AS REGARDS A COMPONENT FOR CALCULATING THE IMPORT LEVY