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Autor: Trail, J.C.M.

Describes briefly the main ecological zones of Africa w. examples of the general types of cattle that can be maintained. Assesses the contributions of past research work in breed evaluation. Reports examples of breed characterization studies that highlight the value of such work for each of the t...


Trail, J.C.M.[Productivity of representative breeds of important cattle groups in Africa]Productivity of representative breeds of important cattle groups in Africa
Wilson, R.T.[Reproductive performance of African indigenous small ruminants under research station and traditional management]Reproductive performance of African indigenous small ruminants under research station and traditional management
Autor: Wilson, R.T.

Discusses types & productivity of indigenous African small ruminants. Presents data on varieties & productivity of sheep & goat in semi-arid Africa and in different countries, management objectives related to sheep flock structures, weight for age for intensively fed compared with range fed sheep...


Wilson, R.T.[Types and productivity of indigenous African small ruminants]Types and productivity of indigenous African small ruminants
Autor: Trail, J.C.M.

Presents findings of trials carried out in Uganda to characterize the indigenous Ankole, Boran and zebu cattle breeds as straightbreds for maternal traits and in crosses with exotic Angus and Red Poll males; includes data on calf crop, preweaning viability and calf weight at birth, weaning and at...


Trail, J.C.M.[Crossbreeding indigenous East African cattle with American Angus and Red Poll]Crossbreeding indigenous East African cattle with American Angus and Red Poll
Rege, J.E.O.Baker, R.L.Hanotte, Olivier H.[Improving our understanding and utilisation of indigenous livestock breeds of developing countries: Key research challenges]Improving our understanding and utilisation of indigenous livestock breeds of developing countries: Key research challenges

Goats and sheep are versatile domesticates that have been integrated into diverse environments and production systems. Natural and artificial selection have shaped the variation in the two species, but natural selection has played the major role among indigenous flocks. To investigate signals of ...


Kim, E.S.Elbeltagy, A.R.Aboul-Naga, A.M.Rischkowsky, Barbara A.Sayre, B.Mwacharo, Joram M.Rothschild, Max F.[Multiple genomic signatures of selection in goats and sheep indigenous to a hot arid environment]Multiple genomic signatures of selection in goats and sheep indigenous to a hot arid environment

Mruttu, H.Ndomba, C.Nandonde, S.Brook, K.N.[Animal genetics strategy and vision for Tanzania]Animal genetics strategy and vision for Tanzania
Onzima, R.B.Gizaw, SolomonKugonza, D.K.Arendonk, Johan A.M. vanKanis, E.[Production system and participatory identification of breeding objective traits for indigenous goat breeds of Uganda]Production system and participatory identification of breeding objective traits for indigenous goat breeds of Uganda

Reports the reproductive performance of two tropical African strains of goats and sheep with emphasis on prolificacy. Examines age at first parturition, parturition interval, and litter size.


Wilson, R.T.Murayi, T.[Indigenous African small ruminant strains with potentially high reproductive performance]Indigenous African small ruminant strains with potentially high reproductive performance

In 2008 a breeding program to increase production level in indigenous chickens was initiated at the Debre Zeit Agricultural Research Center in Ethiopia and is currently producing its 8th generation. Aim of this paper was to evaluate the success of the breeding program. Selection was on own perfor...


Wondmeneh, E.Waaij, E.H. van derDessie, TadelleOkeyo Mwai, AllyArendonk, Johan A.M. van[A running breeding program for indigenous chickens in Ethiopia: Evaluation of success]A running breeding program for indigenous chickens in Ethiopia: Evaluation of success

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