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A note on the heritability of muscle colour in pigs

Published online by Cambridge University Press:  02 September 2010

A. H. R. Pease
Affiliation:
Pig Industry Development Authority, aRidgmount Street, London, W.C.I
C. Smith
Affiliation:
A.R.C. Animal Breeding Research Organisation, Edinburgh 9
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Extract

Muscle colour has been recorded on pigs tested at the national pig progeny testing stations in Great Britain since 1958. From September 1960 a muscle colour score on a scale of 1 to 7 points has been given by comparing the muscle colour with a series of seven coloured discs of increasing colour intensity. These discs were prepared specifically (by Tintometer Ltd. Of Great Britain) to score muscle colour in pigs. The higher the colour score the more desirable the colour was adjudged to be by the testing station personnel. However, scores of 6 and 7 were very infrequent and no assessment of their desirability was made. Carcasses were cut at the last rib on the day after slaughter at about 200 lb. live-weight and muscle colour was scored on the cut surface of the longissimus dorsi muscle (eye muscle).

Type
Research Article
Copyright
Copyright © British Society of Animal Science 1965

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References

REFERENCES

Jonsson, P. 1963. Danish pig progeny testing results. Z. Tierz. ZüchtBiol. 78: 205252.CrossRefGoogle Scholar
Smith, C., King, I. W. B., & Gilbert, N. 1962. Genetic parameters of British Large White bacon pigs. Anim. Prod., 4: 128143.Google Scholar