ArticleAnimal bioscience2026
Microsatellite analysis revealed the genetic diversity and population structure of 18 native black goat breeds in China.
Article in Animal bioscience, 2026. 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.
- Annual trends in heterozygosity of Korea native cattle (Hanwoo) based on microsatellite markers.Animal bioscience · 2026Article
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10 authors.
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Abstract
objectiveIn China and Southeast Asia, black goats command higher selling prices. However, the blind breeding practices carried out by farmers pose a threat to the original genetic diversity of the population. Therefore, the objective of this study is to conduct a systematic detection of the genetic diversity of native black goat breeds, aiming to provide a reference for the protection and improvement of these valuable native black goat breeds.
methodsGenetic diversity and population structure of 18 black goat breeds were estimated by utilizing 16 microsatellite markers. Subsequently, data analysis was carried out with the assistance of software like Phylip, Fstat, Arlequin, Structure. For the purpose of visualization, ITOL and Structure Selector were used to present the results in a visual manner.
resultsThe mean number of alleles per population ranged from 4.75 to 9.56, with an average of 6.38. The observed heterozygosity of each breed ranged from 0.46 to 0.68, all of which were lower than the expected heterozygosity. The inbreeding coefficient (FIS) of the 18 breeds ranged from -0.003 to 0.376. Among them, the FIS values of Meigu goat (MG), Yimeng black goat, Yunling goat, Guizhou black goat and Ziwuling black goat were significantly higher than those under random rearrangement (p<0.05). All pairwise Fixation index between the Chinese black goat populations reached a significant level (p<0.05). Finally, the results of Bayesian model-based clustering and a neighbor-joining tree based on Nei's genetic distance showed these eighteen breeds can be further classified into seven genetic clusters.
conclusionAll breeds showed high genetic diversity. MG had excessive inbreeding, and CZ and LZ were at risk of losing original genetic traits. Similar geographical and climatic conditions might lead to similar genetic materials in different breeds.
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