Abstract
Two topics related to bone growth and development are considered:
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1)
Breed differences in bone weight distribution,
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2)
The inter-relationships of carcass shape, lean to bone ratio and bone characteristics between breeds.
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1)
Evidence on bone weight distribution is reviewed and the results of an analysis using MLC dissection files reported. This analysis was based on 753 steer carcasses from 17 breed-type x feeding system groups and is complementary with analyses published recently on fat and lean weight distribution. Small differences of little commercial importance were recorded between groups, a finding which agrees with existing evidence.
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2)
Breed variation in carcass conformation and its relationship with lean to bone ratio was examined using the data files above and more recent data from the MLC breed comparison trials at Ingliston and Sutton Bonington. Results indicate that, although there is a definite trend for breeds with better conformation to have higher lean to bone ratios at constant carcass subcutaneous fat percentage, certain breeds and crosses do not relate well to this trend. The results are discussed in relation to breed differences in bone characteristics and the genetic history of the various breeds.
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© 1978 Martinus Nijhoff - The Hague/Boston/London
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Kempster, A.J. (1978). Bone Growth and Development with Particular Reference to Breed Differences in Carcass Shape and Lean to Bone Ratio. In: De Boer, H., Martin, J. (eds) Patterns of Growth and Development in Cattle. Current Topics in Veterinary Medicine, vol 2. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-9756-1_9
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DOI: https://doi.org/10.1007/978-94-009-9756-1_9
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