challenges and facilitating factors 307-14 to implementation of regulations 297-307 commercialization 295-6, 297, 307, 317-18 EU legislation compliance across member states 295, 317 EU vs. national legislation 297, 305-6, 308 farm assurance schemes 298-300, 302-3, 309-10 meat chickens 297, 298-301 Netherlands early adopter of legislation 315 "economization" and "marketization" 307, 318-19 governmental working groups 315-16, 318 policy characteristics 315 problems in implementing legislation 314-15 public-private agreements on sustainable meat production 316-17 public-private collaboration 311-13, 318, 319 pigs 297, 302-3, 314, 316-17 project data 296 public concern 295, 304, 307-8, 319 public-private collaboration country comparison 310, 314