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

Published online by Cambridge University Press:  02 September 2010

G. D. Sacker ,
J. C. M. Trail  and
I. L. Fisher
G. D. Sacker
Affiliation:
Ministry of Animal Industry, Game and Fisheries, Uganda
J. C. M. Trail
Affiliation:
Ministry of Animal Industry, Game and Fisheries, Uganda
I. L. Fisher
Affiliation:
Ministry of Animal Industry, Game and Fisheries, Uganda
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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.

Type
Research Article
Information
Animal Production , Volume 13 , Issue 1 , February 1971 , pp. 181 - 184
Copyright
Copyright © British Society of Animal Science 1971

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References

REFERENCES

Harvey, W. R. 1960. Least-squares analysis of data with unequal subclass numbers. United States Department of Agriculture, ARS-20–8.Google Scholar
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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.Google Scholar
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: 127–141.Google Scholar