Journal article

BEHAVIORAL-RESPONSES OF COMMERCIALLY FARMED LAYING HENS TO HUMANS - EVIDENCE OF STIMULUS-GENERALIZATION

JL BARNETT, PH HEMSWORTH, RB JONES

APPLIED ANIMAL BEHAVIOUR SCIENCE | ELSEVIER SCIENCE BV | Published : 1993

Abstract

The behavioural responses of birds to experimenters varying in a number of attributes, such as sex, height, clothing and the wearing of spectacles, were determined in a series of five experiments. A total of 320 birds aged between 50 and 57 weeks of age and housed in single-hen cages at a large commercial farm were used. The hens' responses were observed in a standardized test in which their position, orientation and posture were recorded when a stationary human stood 60 cm from the front of the cage. The hens' responses to humans were unaffected by variations in the majority of human attributes tested, including sex, height and the presence of spectacles. Only one of the eight variables mea..

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University of Melbourne Researchers