Economic comparison of unenriched and alternative cage systems used in laying hen husbandry - recent experience under Turkish commercial conditions

This review provides a comparative analysis on the unenriched and alternative cage systems used in commercial egg production as required by the directive (99/74/EC) of the EU Council on animal welfare in terms of technical performance indicators, distribution of cost items, egg sales revenue, and profitability. Unenriched (conventional) cages are commonly used in Turkey. However these cages don't provide for the laying hens natural needs. The...