1 Shenzhen Branch, Guangdong Laboratory for Lingnan Modern Agriculture, Agricultural Genomics Institute at Shenzhen, Chinese Academy of Agricultural Sciences, Shenzhen, Guangdong 518000, China.
2 Kunpeng Institute of Modern Agriculture at Foshan, Chinese Academy of Agricultural Sciences, Foshan, Guangdong 528226, China.
3 GuangXi Engineering Centre for Resource Development of Bama Xiang Pig, Bama, Guangxi 547500, China.
4 Institute of Animal Science, Chinese Academy of Agricultural Sciences, Beijing 100193, China.