The authors have published a major correction to this paper (Poult Sci. 2006 Jun;85(6):1115-6). The
status of the parent-of-origin effect is not yet clear.
In laying hens, a suggestive QTL for corticosterone response to manual restraint was detected on
GGA5. Only the paternal component was significant. The authors warn that care should be taken in the
interpretation of this possible QTL (Buitenhuis
AJ et al, 2003).