in the Another vote was aggressors. U.S. Will Seek To Avert Meat Packing Tieup CHICAGO, March 4 (AP)--The U. S. conciliation service today began efforts to head off a na- ionwide meat packing strike set 'or March 16. Conciliator Thomas G. Cleland summoned the C.I.O. United Pack- nghouse Workers and Swift and company to a meeting in his office. office. Similar meetings are planned with Armour and company on Wednesday, Wilson and company on Thursday, and with the Cudahy Cudahy Packing company next Friday. The union set its strike date erday against these firms plus John "Morrell and Sons, Hy-Grade Food Products, and other companies. companies. Ralph Helstein, union president, said the strike was called to enforce enforce demands for a 29-cent hourly wage boost. Swift and company said it had offered a nine-cent lourly raise. East to Feel Effects Industry sources said the strike would cut the nation's meat about in half, with the east feeling feeling the shortage more than other sections. A shortage of. fresh meat cuts would hit the average household household within a few days after any work stoppage. Cudahy has a at North Salt Lake City, Utah. James J. Stanton, regional representative representative for the union, said yesterday yesterday that the Cudahy plant at North Salt Lake employs approximately approximately 200 workers. Workers at the American Packing Packing Provision Co., Ogden, and Archie McFarland Son, Salt City, are affiliated with American Federation of Labor unions which have not announced a strike.