期刊
JOURNAL OF BIOMECHANICS
卷 40, 期 9, 页码 2037-2043出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jbiomech.2006.09.014
关键词
bipedal; gait; force plate; avian; analgesia
Objective: To test the force plate as a gait analysis system for broilers and to determine how the ground reaction force (GRF) patterns change in these birds with growth and administration of analgesia. Materials and inethods: Thirty-three male Ross 308 chicks were raised on either an ad libitum or restricted- feeding regime, and subsequently treated with carprofen or a placebo. Vertical, craniocaudal and mediolateral GRFs were measured as the birds walked across a standard force plate. Results: The data were easy to collect, and peak vertical forces of an equivalent percentage of bodyweight as seen in human walking were identified. Mediolateral forces were 2-3 times greater than those demonstrated in other species. GRF patterns showed significant changes during growth, but analgesia did not have a significant effect on the speed of walking, or GRF patterns. Conclusions and clinical relevance: The force plate is a suitable research tool for recording GRFs from avian bipeds. The large mediolateral forces identify a particularly inefficient aspect of avian gait; however, the role of pain remains to be determined. (C) 2006 Elsevier Ltd. All rights reserved.
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