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Electrical stimulation and hydration to optimise meat quality

Hopkins, D.L., Jacob, R.H., Toohey, E.S., Pearce, K.L., Pethick, D.W. and Richards, I. (2006) Electrical stimulation and hydration to optimise meat quality. In: Wool meets meat : tools for a modern sheep enterprise : proceedings of the 2006 Australian Sheep Industry CRC Conference, 22 - 23 February, Orange, Australia pp. 154-159.

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Abstract

This article discusses research that was conducted to optimise new electrical-stimulation technologies and to elucidate the effects of pre-slaughter dehydration of lambs. A change in lamb processing to a focus on eating quality has increased the uptake of new electrical technologies. Our research was aimed at understanding how carcase response to electrical stimulation is affected by genotype, pulse-width, current, and frequency and time of stimulation. Although seven post-dressing electrical stimulation systems have been installed in abattoirs across Australia and two prototype pre-dressing systems and an immobiliser have been installed at a major export abattoir, more installations are needed. An indicator of animal dehydration status was developed and used at two commercial abattoirs. This study showed that a large percentage of lambs are dehydrated at the time of slaughter, which represents a potential cost to industry of $5 million annually. Although several compounds for prevention of pre-slaughter dehydration in lambs were tested, none were effective.

Publication Type: Conference Paper
Murdoch Affiliation: School of Veterinary and Biomedical Sciences
URI: http://researchrepository.murdoch.edu.au/id/eprint/21055
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