Hostname: page-component-848d4c4894-m9kch Total loading time: 0 Render date: 2024-05-16T15:12:49.652Z Has data issue: false hasContentIssue false

A note on the relationship between induced mechanical stress and thermal stress in recumbent pigs

Published online by Cambridge University Press:  02 September 2010

J. M. Bruce
Affiliation:
Scottish Farm Buildings Investigation Unit, Craibstone, Bucksburn, Aberdeen AB2 9TR
C. R. Boon
Affiliation:
National Institute of Agricultural Engineering, Silsoe, Bedford MK45 4HS and AFRC Institute of Animal Physiology, Babraham, Cambridge CB2 4AT
Get access

Abstract

The hypothesis is proposed that pigs will induce a mechanical stress, by huddling and over-lying, that is related to the degree of thermal stress experienced. Measurements of the floor area covered by groups of 12 pigs have been used to validate the hypothesis.

Type
Research Article
Copyright
Copyright © British Society of Animal Science 1984

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

Boon, C. R. 1981. The effect of departures from lower critical temperature on the group postural behaviour of pigs. Anim. Prod. 33: 7179.Google Scholar
Bruce, J. M. and Clark, J. J. 1979. Models of heat production and critical temperature for growing pigs. Anim. Prod. 28: 353369.Google Scholar
Ministry of Agriculture, Fisheries and Food. 1981. Draft revised code of recommendations for the welfare of pigs. Ministry of Agriculture, Fisheries and Food, Pinner, Middlesex.Google Scholar
Petherick, J. Carol. 1982. A biological basis for the design of space in pig housing. M.Sc. Thesis, Univ. Aberd.Google Scholar
Petherick, J. Carol, 1983. A note on allometric relationships in Large White × Landrace pigs. Anim. Prod. 36: 497500.Google Scholar
Petherick, J. Carol and Baxter, S. H. 1981. Modelling the static spatial requirements of livestock. In Modelling, Design and Evaluation of Agricultural Buildings, Proc. Commn int. Genie Rur., Sect. 2 Semin., Aberd., pp. 7582. Scottish Farm Buildings Investigation Unit, Aberdeen.Google Scholar