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

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Abstract
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.