University of Minnesota. Agricultural Extension Service.2015-12-292015-12-291971-05https://hdl.handle.net/11299/175851This 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.9,no.2 (1971:May)Newsletter or Bulletin