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Physiology of heat stress in Merino wethers during conditions similar to live export

Published online by Cambridge University Press:  23 November 2017

C Stockman ,
A Barnes ,
D Pethick  and
S Maloney
C Stockman*
Affiliation:
Murdoch University, School of Veterinary and Biomedical Sciences, Perth, Western Australia, Australia
A Barnes
Affiliation:
Murdoch University, School of Veterinary and Biomedical Sciences, Perth, Western Australia, Australia
D Pethick
Affiliation:
Murdoch University, School of Veterinary and Biomedical Sciences, Perth, Western Australia, Australia
S Maloney
Affiliation:
University of Western Australia, Perth, Western Australia, Australia
*
Email: C.Stockman@murdoch.edu.au
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Extract

Heat stress of sheep in feedlot systems and within the live export industry is an animal welfare concern and a financial concern due to loss of life and reduced production (Richards et al. 1989). Early research has been undertaken in short term studies exposing Merino sheep to excessive heat load (Lee 1950; Ames et al. 1971). However, little is known of the physiological changes in animals subject to prolonged periods of excessive heat and humidity as can occur in the live export industry. Knowledge of the physiological responses of Merino sheep to prolonged heat and humidity is needed to correctly manage these sheep during shipment. This experiment investigated the physiological responses of Merino sheep to high heat and humidity similar to that experienced during long haul live export voyages to the Middle-East.

Type
Theatre presentations
Information
Proceedings of the British Society of Animal Science , Volume 2006 , March 2006 , pp. 58
Copyright
Copyright © The American Society of International Law 2016

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References

Ames, D. R., Nellor, J. E. & Adams, T. (1971). Journal of Animal Science. 32, 784–788 CrossRefGoogle Scholar
Lee, D.H. K. (1950). Australian Journal of Agricultural Research. 1, 200–216 CrossRefGoogle Scholar
Richards, R. B., Norris, R. T., Dunlop, R. H. & McQuade, N. C. (1989). Australian Veterinary Journal, 66, 33 -38 CrossRefGoogle Scholar