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Simianer, H.[Valuation of indigenous farm animal populations and breeds in comparison with imported exotic breeds with a focus on sub-Saharan Africa]Valuation of indigenous farm animal populations and breeds in comparison with imported exotic breeds with a focus on sub-Saharan Africa

To evaluate the Weitzman approach for assessing alternative conservation strategies for breed ( population ) diversity, we used genetic distance measures between 49 African cattle breeds divided into two groups of 26 taurine ( Bos taurus ) and sanga ( Bos taurus×Bos indicus ) breeds and 23 zebu ...


Reist-Marti, S.B.Simianer, H.Gibson, John P.Hanotte, Olivier H.Rege, J.E.O.[Weitzman's approach and conservation of breed diversity: An application to African cattle breeds]Weitzman's approach and conservation of breed diversity: An application to African cattle breeds

About 30% of all farm animal breeds worldwide are at risk of extinction. To prevent this irreversible erosion of genetic diversity, the limited funds available for conservation need to be allocated in the most efficient way. Applying the diversity concept of Weitzman [Quart. J. Econ. CVII (1992) ...


Simianer, H.Marti, S.Gibson, John P.Hanotte, Olivier H.Rege, J.E.O.[An approach to the optimal allocation of conservation funds to minimize loss of genetic diversity between livestock breeds]An approach to the optimal allocation of conservation funds to minimize loss of genetic diversity between livestock breeds
Samuel, A.F.Drucker, A.G.Andersen, S.B.Simianer, H.Zonneveld, M. van[Development of a cost-effective diversity-maximising decision-support tool for in situ crop genetic resources conservation: The case of cacao]Development of a cost-effective diversity-maximising decision-support tool for in situ crop genetic resources conservation: The case of cacao

Methods for biodiversity conservation are reported and applied to 49 African cattle breeds (26 taurine/sanga and 23 zebu/zenga (ZZ) breeds). It was estimated that about half of the breeds and half of today’s genetic diversity between breeds would be lost within 50 years. Based on a survey and a l...


Reist-Marti, S.B.Abdulai, A.Simianer, H.[Analysis of methods for efficient biodiversity conservation with focus on African cattle breeds]Analysis of methods for efficient biodiversity conservation with focus on African cattle breeds

Effective population size is an important parameter for the assessment of genetic diversity within a livestock population and its development over time. If pedigree information is not available, linkage disequilibrium (LD) analysis might offer an alternative perspective for the estimation of effe...


Flury, C.Tapio, M.Sonstegard, T.S.Drögemaller, C.Leeb, T.Simianer, H.Hanotte, Olivier H.Rieder, S.[Effective population size of an indigenous Swiss cattle breed estimated from linkage disequilibrium]Effective population size of an indigenous Swiss cattle breed estimated from linkage disequilibrium

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