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Article

Effects of group size and repeated social disruption on the serotonergic and dopaminergic systems in two genetic lines of White Leghorn laying hens.

Poultry science - 1 Oct 2009

Cheng H-W, Fahey A

Abstract excerpt

Farm practices such as increasing group size (GS) and mixing unfamiliar chickens may result in repeated social disruption (RSD) and affect the well-being of hens. To examine whether there are genetic differences in response to social stress, 2 genetic strains of White Leghorn hens were used [i.e., high group production and survivability (HGPS) and DeKalb XL commercial strain (DXL). At 50 wk of age, social stress...

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Identifiers

PMID: 19762852
DOI: 10.3382/ps.2008-00302

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