The effect of an audience on the gakel-call and other frustration behaviours in the laying hen (Gallus gallus domesticus)

Author: Zimmerman P H   Lundberg A   Keeling L J   Koene P  

Publisher: Universities Federation for Animal Welfare

ISSN: 0962-7286

Source: Animal Welfare, Vol.12, Iss.3, 2003-08, pp. : 315-326

Disclaimer: Any content in publications that violate the sovereignty, the constitution or regulations of the PRC is not accepted or approved by CNPIEC.

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Abstract