In order to enable a proper assessment of the state of implementation, the Commission also asked the Member States to send data on the number of laying hens, categorised by farming system by 1 April 2011.
Selleks et õigesti hinnata olukorda keelu rakendamisel, palus komisjon liikmesriikidel saata 1. aprilliks 2011 ka andmed munakanade arvu kohta tootmissüsteemide lõikes.