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Effect of intermingling chicks and bird density on fear and stress responses in chickens

, : Effect of intermingling chicks and bird density on fear and stress responses in chickens. Archiv fur Geflugelkunde 69(5): 199-205

The purpose of the present study was to evaluate the effects of intermingling chicks and bird density on stressfulness and fearfulness of chickens. There were two different experiments. The first experiment measured heterophil to lymphocyte ratio and tonic immobility duration in 20-wk-old birds (n=106) of two Spanish breeds (Black Castellana and Quail Castellana) which had been reared intermingled or separately.


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