University of Minnesota. Agricultural Extension Service.2015-12-172015-12-171969-07https://hdl.handle.net/11299/175813This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enPoultry Science Department NewslettersPoultry Patter, vol..7:no.4 (1969:Jul.)Newsletter or Bulletin