1. Bassler, A.W., 2005. Organic broilers in floorless pens on pasture. Doctoral thesis, Swedish University of Agricultural Sciences, Uppsala.
2. Willingness-to-pay measures of public support for farm animal welfare legislation;Bennet;Vet. Rec.,1996
3. Health and welfare in organic poultry production;Berg;Acta Vet. Scand.,2001
4. Pododermatitis and hock burn in broiler chickens;Berg,2004
5. Can a modified LTL test be used to validate gait scoring results in commercial broiler flocks?;Berg,2002