Genetic and phenotypic correlations between feather pecking and open-field response in laying hens at two different ages.

T. B. Rodenburg, A. J. Buitenhuis, Birgitte Ask, K. A. Uitdehaag, P. Koene, J. J. van der Poel, J. A. M. van Arendonk, H. Bovenhuis

83 Citations (Scopus)

Abstract

The object of this research was to study the relationship between feather pecking and open-field
activity in laying hens at two different ages. A population of 550 birds of a laying hen cross was
subjected to an open-field test at 5 and 29 weeks of age and to a social feather pecking test at
6 and 30 weeks of age. Factor analysis was used to identify underlying factors for each test:
pecking behavior (social test) and open-field activity (open-field test). In young birds, a positive
phenotypic correlation of 0.24 was found between high open-field activity and high levels
of pecking behavior (ground pecking, preening, gentle feather pecking, and wall pecking). In
adults, a similar genetic correlation of 0.62 was found. At adult age, the factor pecking behavior
consisted mainly of gentle and severe feather pecking. Between ages, a strong, negative genetic
correlation of -0.65 was found between open-field activity at young age and pecking
behavior at adult age, indicating that open-field activity levels in young birds may predict pecking
behavior in adult hens.
Original languageEnglish
JournalBehavior Genetics
Volume34
Issue number4
Pages (from-to)407-415
Number of pages9
ISSN0001-8244
Publication statusPublished - 1 Jul 2004
Externally publishedYes

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