@article{2219, keywords = {laying hen, bone strength, keel bone condition, perch configuration, group size}, author = {B Scholz and S Rönchen and H Hamann and O Distl}, title = {Bone strength and keel bone status of two layer strains kept in small group housing systems with different perch configurations}, abstract = {The objective of the present study was to investigate whether an arrangementof perches at two different heights within individual compartments of smallgroup systems (back perch elevated (BE), front perch elevated (FE) or bothperches heightened ...}, year = {2009}, journal = {Berliner und Münchener Tierärztliche Wochenschrift}, volume = {122}, pages = {249-256}, month = {07/2009}, publisher = {Schlütersche Verlagsgesellschaft mbH & Co. KG}, address = {Hannover}, issn = {0005-9366}, doi = {10.2376/0005-9366-122-249}, language = {English}, }