Report of the Scientific Veterinary Committee, Animal Welfare Section on the Welfare of Laying Hens, Brussels, 30 October 1996Commission of the European Communities, 1996 - 147 ページ |
Report of the Scientific Veterinary Committee, Animal Welfare Section on the Welfare of Laying Hens, Brussels, 30 October 1996Commission of the European Communities, 1996 - 147 ページ |