Johnsen, P. F. &
Kristensen, H. H.,
2001,
Proceedings of the 6th European Symposium on Poultry Welfare 2001. Oester, H. & Wyss, C. (eds.).
Swiss Branch of the World's Poultry Science Association (WPSA),
p. 209-212 4 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review