Welfare assessment of organic poultry. Comparison between Animal Needs Index and feather pecking damage.
Monique W.P. Bestman,
Jan-Paul Wagenaar,
Ton Baars.
2003. Welfare assessment of organic poultry. Comparison between Animal Needs Index and feather pecking damage.. 2nd International Workshop 'Assessment of Animal Welfare at Farm and Group Level'. , Bristol, UK. 4-6 September.