TY - RPRT TI - Divergent selection on feather pecking behavior in laying hens has caused differences between lines in egg production, egg quality, and feed efficiency. AU - G Su AU - J B Kjaer AU - P Sørensen PY - 2006 DO - 10.1093/ps/85.2.191 UR - https://pubmed.ncbi.nlm.nih.gov/16523613/ ID - 16523613 ER -