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Evaluation of beef breeds for rangeland weaner production in Zimbabwe. 2. Productivity of crossbred cows and heterosis estimates

Assesses reproductive performance, body weight & live weight, pre-weaning growth, and viability of progeny sired by various unrelated breeds which are representative of the Sanga X Sanga, Sanga X Zebu, Bos taurus X Sanga, Bos taurus X Zebu, and Bos taurus X Bos taurus crossbred groups. Measures the...

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Main Authors: Tawonezvi, H.P.R., Ward, H.K., Trail, J.C.M., Light, D.E.
Format: Journal Article
Language:Inglés
Published: Cambridge University Press 1988
Subjects:
beef cattle
cows
cattle breeds
rangelands
productivity
crossbreds
reproductivity
hybrid vigour
live weight
viability
Online Access:https://hdl.handle.net/10568/28277
Summary:Assesses reproductive performance, body weight & live weight, pre-weaning growth, and viability of progeny sired by various unrelated breeds which are representative of the Sanga X Sanga, Sanga X Zebu, Bos taurus X Sanga, Bos taurus X Zebu, and Bos taurus X Bos taurus crossbred groups. Measures the influence of sire breed on calf birth and weaning weight and viability to weaning. Estimates heterosis levels for the range of performance traits.

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