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Asian-Australas J Anim Sci > Volume 19(9); 2006 > Article
Animal Breeding and Genetics
Asian-Australasian Journal of Animal Sciences 2006;19(9): 1245-1251.
DOI: https://doi.org/10.5713/ajas.2006.1245    Published online August 2, 2006.
Diversity and Genetic Relationships among Seven West African Goat Breeds
A. Missohou*, E. Talaki, I. Maman Laminou
Correspondence:  A. Missohou,
Abstract
This study was carried out to determine the genetic relationships among seven west African goat breeds : Casamance Goat (Kolda, Senegal), Labe Goat (Fouta Djallon, Guinea), three Sahel Goat (Djoloff, Senegal ; Maradi, Niger; Gorgol, Mauritania) red Sokoto Goat (Maradi, Niger) and Guera goat (Atar, Mauritania).The polymorphism of six microsatellites and the ??s1-casein locus was analysed. The six microsatellite loci were polymorphic with a mean number of alleles ranging from 2.71 to 4.0. At the ??s1-casein locus, A and B were the most frequent alleles, which are known to be associated with a high level of protein synthesis. A neighbour-joining tree and a Principal Component Analysis were performed and the reliability of both methods was tested. Our study shows that the genetic relationships among the breeds analysed correspond to their geographical distribution and in addition, that the Labe Goat is strongly separated from the other breeds. Among the seven markers used, four have an effect on the distribution of breeds while three seem to be non-informative.
Keywords: Goats; West Africa; Microsatellites; 慣s1-Casein; Genetic Relationship


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