University of Minnesota. Agricultural Extension Service.2016-01-112016-01-111979-12https://hdl.handle.net/11299/176051This archival publication may not reflect current scientific knowledge or recommendations. Current information available from the University of Minnesota Extension: https://www.extension.umn.edu.enAnimal Science Dept., newslettersPoultry Patter, vol. 17:no.4 (1979:Dec.)Newsletter or Bulletin