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Archivos de Zootecnia
versão On-line ISSN 1885-4494versão impressa ISSN 0004-0592
Resumo
MOULA, N. et al. Estimation of inbreeding rates and extinction risk of forty one Belgian chicken breeds in 2005 and 2010. Arch. zootec. [online]. 2014, vol.63, n.242, pp.389-392. ISSN 1885-4494. https://dx.doi.org/10.4321/S0004-05922014000200018.
In Belgium, as generally in Europe, the dominant position of the high producing commercial strains specialized in meat or eggs production threats of extinction the local traditional breeds. In this work, a follow up of the changes in populations size, and the rates of inbreeding of the Belgian poultry breeds, has been carried out in 2005 and 2010. About forty breeds were concerned. The Belgian hen breeds being overwhelmingly under threat of extinction, because of the low number of individuals by breed. For each of these breeds, various criteria were considered, risk status, breeding male to breeding female ratio, effective population size, effective population size to actual size ratio and rate of inbreeding.
Palavras-chave : Biodiversity; Conservation; Local chicken breed.