title: A note on fear reaction of three different genetic strains of laying hens to a simulated hawk attack in the hen run of a free-range system creator: Zeltner, Esther creator: Hirt, Helen subject: Poultry subject: Breeding and genetics description: Hens well adapted to free-range systems should react quickly to avoid an attack by a predator but should also be able to return to the hen run soon after to ensure good use of the outside area. publisher: Elsevier B.V. date: 2008 type: Journal paper type: NonPeerReviewed format: application/pdf identifier: http://orgprints.org/14778/1/zeltner-hirt-2008-APPLAN2898.pdf identifier: Zeltner, Esther and Hirt, Helen (2008) A note on fear reaction of three different genetic strains of laying hens to a simulated hawk attack in the hen run of a free-range system. Applied Animal Behaviour Science, Issues 1-3 (113), pp. 69-73. relation: http://orgprints.org/14778/