ArticleTropical animal health and production2021
Genetic diversity and phylogenetic relationships within local pigs in southern Benin.
Article in Tropical animal health and production, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 9 citations in OpenAlex.
- Annual trends in heterozygosity of Korea native cattle (Hanwoo) based on microsatellite markers.Animal bioscience · 2026Article
- Genomic analysis of putative hybrids between Potamochoerus spp. and domestic pigs from sympatric areas in West Africa and Madagascar.PloS one · 2026Article
- Innate resistance to African swine fever virus: current knowledge and future directions.BMC veterinary research · 2025Review
- Population structure and genetic diversity of Mi pigs based on SINE-RIPs.Frontiers in veterinary science · 2025Article
- African Local Pig Genetic Resources in the Context of Climate Change Adaptation.Animals : an open access journal from MDPI · 2024Review
- Population Structure and Genetic Diversity Analysis of "Yufen 1" H Line Chickens Using Whole-Genome Resequencing.Life (Basel, Switzerland) · 2023Article
- Genetic diversity assessment of the indigenous goat population of Benin using microsatellite markers.Frontiers in genetics · 2023Article
- Article
- Assessment of the reproductive performances of native sows in Southern Benin.Translational animal science · 2021Article
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Authors and funding
5 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The current context of climate change requires the conservation of local zoogenetic resources already very well adapted to the traditional breeding system, rough feeding, and heat and cold stress. This study assessed genetic diversity in local pigs in southern Benin, as a prerequisite for their sustainable use and sustainable management in Benin. A total of 69 individuals including 54 local pigs, 7 Large-White, and 8 hybrids (local pigs × Bush-pig) were genotyped by using 17 microsatellite markers. On the average, 8.94 alleles were detected per locus. Average expected and observed heterozygosities were respectively 0.51 and 0.46. Polymorphic information content was 0.61, and genetic diversity was 0.53. A phylogenetic tree gathered local pigs into three genetic clusters. Genetic structural analyses revealed introgression of Large-White's genes into the local pig's genome. Three groups were identified: hybrids (subpopulation 1), a mixture of Large-White and local pigs (subpopulation 2), and only local pigs (subpopulation 3). Symmetrical allelic distances were higher between subpopulations 1 and 2 (0.787) and then 1 and 3 (0.713). The same trend was detected for genetic distances between pairs of subpopulations. Genetic differentiation between subpopulations 2 and 3 was very weak as a consequence of high gene flow (10.82). Molecular variance analysis showed that 77% of genetic diversity within populations was related to variability between the individuals. These results showed that local pigs in southern Benin are threatened by genetic erosion and suggest prompt actions to implement sustainable conservation strategies.
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