ArticleTropical animal health and production2023
Genetic differentiation and structuration of the Gobra zebu cattle breeds reared in Senegal.
Article in Tropical animal health and production, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Long-Term Body Weight Trends in Gobra Zebu Cattle Reared at the 'Centre de Recherches Zootechniques' of Dahra (Senegal): A Historical Perspective (1952-2018).Veterinary medicine and science · 2025Article
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7 authors.
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Abstract
The Gobra zebu genetic breeding program has resulted in the genetic improvement of a new population. This population gained genetic characteristics that set them apart from the other cattle populations reared in Senegal. The cause of these differences might be the reproductive isolation and selection to which this population of the "Centre de Recherches Zootechniques" of Dahra has been subjected since the 1950s. This study aimed to assess the genetic differentiation and structuration of this population compared to the main cattle breeds used in Senegal. A total of 180 individuals, selected from the Gobra selection nucleus and bovine populations from four main breeds in Senegal, were included in this study. We used a panel of 21 microsatellite markers among those recommended by the Food Agriculture Organization, to conduct the molecular genotyping of our sampled populations. The basic genetic parameters of differentiation and structuration were calculated using various bioinformatics software. The results of this study, particularly the degrees of genetic differentiation (Fst), the coefficient of genetic homogeneity (Gst), and the gene flow (Nm), show a significant genetic differentiation of the Gobra from the station compared to the other populations studied. Structuring and phylogeny analyses reveal a micro-structuring within the Gobra population as a novelty. This micro-structuring clearly identifies the Gobra individuals from Dahra's station among the other Gobra populations studied. The main causes of these observations would be reproductive isolation and the selection pressure exerted on this population for several decades.
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