Effects of housing system (outdoor vs cages) and age of laying hens on egg characteristics

H Van Den Brand1, H K Parmentier, B Kemp

  • 1Adaptation Physiology Group, Wageningen Institute of Animal Sciences, Wageningen University, Wageningen, The Netherlands. henry.vandenbrand@wur.nl

British Poultry Science
|February 9, 2005
PubMed