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The actuarial approach to evaluate breeding objectives for tropical livestock.
(University of Nairobi, 1990)
This paper emphasises the importance of including fitness traits in the breeding of livestock, and presents a model for determining overall productivity by combining the actuarial approach of population dynamics with the ...
A productivity index based on population dynamics and energy flow at the herd or flock level
(University of Nairobi, 1992)
Animal products include liveweight, deadweight, milk, wool, work and manure. Feed energy is the most relevant input that can easily be linked to other inputs. A bio-economic productivity index is total output value per ...