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The effect of genotype and diet on lamb meat quality from hill sheep systems

Published online by Cambridge University Press:  22 November 2017

M H M Speijers ,
L E R Dawson ,
A F Carson ,
D J Kilpatrick  and
B W Moss
M H M Speijers*
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, County Down, United Kingdom
L E R Dawson
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, County Down, United Kingdom
A F Carson
Affiliation:
Agri-Food and Biosciences Institute, Hillsborough, County Down, United Kingdom
D J Kilpatrick
Affiliation:
Agri-Food and Biosciences Institute, Belfast, United Kingdom
B W Moss
Affiliation:
Agri-Food and Biosciences Institute, Belfast, United Kingdom
*
Email: Mari.Speijers@afbini.gov.uk
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Extract

Crossbreeding can be used in the hill sector to improve the efficiency of production. Carson et al. (2001) showed that ram breed substitution increased lamb output per ewe by 24% with concomitant improvements in carcass quality. However, information is required for a range of crossing sire breeds for the hill sector to enable the most effective crossbreeding programmes to be developed. Therefore, the primary aim of this study was to evaluate the effects of a range of lamb genotypes on lamb meat quality. Furthermore, a range of production systems (long-keep grass-based systems to short-keep concentrate-based systems) are used to finish hill lambs. Diet type (i.e. roughage-versus concentrate-based) can also affect lamb growth rates and carcass characteristics (Carson et al., 2001). Consequently, a secondary aim of this study was to evaluate the effects of diet and its interaction with lamb genotype on lamb meat quality.

Type
Theatre Presentations
Information
Proceedings of the British Society of Animal Science , Volume 2009 , April 2009 , pp. 47
Copyright
Copyright © The British Society of Animal Science 2009

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References

Carson, A. F. and Dawson, L. E. R. 2005. Proceedings of the British Society of Animal Science 2005, p. 41.CrossRefGoogle Scholar
Carson, A F., Moss, B. W., Dawson, L. E. R. and Kilpatrick, D. J. 2001. Journal of Agricultural Science 137, 205–220.Google Scholar
Moss, B. W., Gault, N. F. S., McCaughey, W. J., McLauchlan, W. and Kilpatrick, D. J. 1993. British Society of Animal Production Occasional Publication No. 17, pp. 87–92.Google Scholar