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Crossbreeding beef cattle in Western Uganda 6. A note on hybrid vigour in Red Poll–Boran crosses

  • G. D. Sacker (a1), J. C. M. Trail (a1) and I. L. Fisher (a1)

Summary

Hybrid vigour effects were measured on weights at birth and at 3, 6, 9 and 12 months, in crosses between Red Poll and Boran cattle. Means of crossbred weights were superior to means of purebred weights by 9·7% at birth and by 26·4% to 29·7% at 3–12 months. Boran cows had superior mothering ability to Red Poll cows, judged by the early growth of reciprocal cross calves, and lost less body weight over a nine-month lactation period.

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References

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Harvey, W. R. 1960. Least-squares analysis of data with unequal subclass numbers. United States Department of Agriculture, ARS-20–8.
Mason, I. L. 1966. Hybrid vigour in beef cattle. Anim. Breed. Abstr. 34: 453473.
Trail, J. C. M., Sacker, G. D. and Fisher, I. L. 1971a. Crossbreeding beef cattle in Western Uganda. 3. Genetic analysis of body weight. Anim. Prod. 13: 153–163.
Trail, J. C. M., Sacker, G. D. and Fisher, I. L. 1971b. Crossbreeding beef cattle in Western Uganda. 1. Performance of Ankole, Boran and Zebu cows. Anim. Prod. 13: 127141.

Crossbreeding beef cattle in Western Uganda 6. A note on hybrid vigour in Red Poll–Boran crosses

  • G. D. Sacker (a1), J. C. M. Trail (a1) and I. L. Fisher (a1)

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