Effects of Acute Tryptophan Depletion on Repetitive Behavior in Laying Hens

by Patrick Birkl, Jacqueline Chow, Peter McBride, Joergen B. Kjaer, Wolfgang Kunze, Paul Forsythe, Alexandra Harlander-Matauschek
Published 2019-07-01

The Role of Tryptophan-Kynurenine in Feather Pecking in Domestic Chicken Lines

by Patrick Birkl, Jacqueline Chow, Paul Forsythe, Johanna M. Gostner, Joergen B. Kjaer, Wolfgang A. Kunze, Peter McBride, Dietmar Fuchs, Alexandra Harlander-Matauschek
Published 2019-06-01