CHICAGO (Dow Jones)--The U.S. Department of Agriculture's upcoming quarterly hog report will continue to show only slight herd expansion during the first quarter of 2006 and revisions to previous survey data to reflect larger-than-expected hog marketings so far this year, according to industry sources.

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CHICAGO (Dow Jones)--The U.S. Department of Agriculture's upcoming quarterly hog report will continue to show only slight herd expansion during the first quarter of 2006 and revisions to previous survey data to reflect larger-than-expected hog marketings so far this year, according to industry sources.