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Self-selection of analgesic drugs by broiler chickens

Published online by Cambridge University Press:  27 February 2018

T. C. Danbury ,
J. P. Chambers ,
C. A. Weeks ,
A. E. Waterman  and
S. C. Kestin
T. C. Danbury
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Bristol BS18 7DY
J. P. Chambers
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Bristol BS18 7DY
C. A. Weeks
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Bristol BS18 7DY
A. E. Waterman
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Bristol BS18 7DY
S. C. Kestin
Affiliation:
Department of Clinical Veterinary Science, University of Bristol, Bristol BS18 7DY
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Extract

A large proportion of broiler chickens suffer from lameness euphemistically called ‘leg weakness’. In a survey of commercial, intensively reared broilers, 90% had a detectable gait abnormality and 26% suffered an abnormality of sufficient severity for their welfare to be compromised (Kestin et al., 1992). It is assumed that leg weakness is painful but there is little direct evidence of this. Chickens have been shown to be able to select an adequate protein diet from a choice of two or three foods which are individually inadequate (Forbes and Shariatmadari, 1994). Broiler chickens showed a significant preference for food of the colour which was paired with ascorbic acid supplementation when the requirement for ascorbic acid was increased by heat stress (Kutlu and Forbes, 1993).

Type
Poster abstracts
Information
BSAP Occasional Publication , Volume 20: Animal Choices , 1997 , pp. 126 - 128
Copyright
Copyright © The British Society of Animal Science 1997

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References

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Kutlu, H. R. and Forbes, J. M. 1993. Self-selection of ascorbic acid in coloured foods by heat-stressed broiler chicks. Physiology and Behavior 53: 103–110.CrossRefGoogle ScholarPubMed
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