Evaluation of genetic diversity and population structure of five Chinese indigenous donkey breeds using microsatellite markers

Ran Di, Qiu-Yue Liu, Fang Xie, Wen-Ping Hu, Xiang-Yu Wang, Xiao-Han Cao, Zhang-Yuan Pan, Guo-Hong Chen and Ming-Xing Chu
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Ran Di: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Qiu-Yue Liu: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Fang Xie: College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
Wen-Ping Hu: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Xiang-Yu Wang: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Xiao-Han Cao: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Zhang-Yuan Pan: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China
Guo-Hong Chen: College of Animal Science and Technology, Yangzhou University, Yangzhou, P.R. China
Ming-Xing Chu: Key Laboratory of Farm Animal Genetic Resources and Germplasm Innovation of Ministry of Agriculture, Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing, P.R. China

Czech Journal of Animal Science, 2017, vol. 62, issue 5, 219-225

Abstract: China had the largest population of raising donkeys in the world, however the number of Chinese indigenous donkey decreased dramatically due to the increase of agriculture mechanization in the last century. The species has still been important in China because of its edible and medical value, therefore the survey on its genetic diversity in China is necessary for its conservation and utilization. In this study, 15 microsatellite markers were used to evaluate genetic diversity and population structure of five Chinese indigenous donkey breeds. The mean values of expected heterozygosity, allelic richness, and total number of alleles for all the tested Chinese donkeys were 0.70, 6.04, and 6.28 respectively, suggesting that the genetic diversity of Chinese indigenous donkeys is rich. The Bayesian analysis and principal component analysis plot yielded the same clustering result, which revealed that Guanzhong donkey was the most differentiated breed in all detected samples, and Jinnan (JN) and Guangling (GL) were genetically closed together. Additionally, our results indicated that the heterozygote deficit was severe in two Chinese indigenous donkey breeds (GL and JN), and it warned us that animal conservation activities on this species should be considered carefully in near future.

Keywords: donkey; genetic richness; genetic differentiation; heterozygote deficit (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjs:v:62:y:2017:i:5:id:9-2016-cjas

DOI: 10.17221/9/2016-CJAS

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