1. Guangdong Provincial Key Laboratory of Agro-Animal Genomics, National Engineering Research Center for Breeding Swine Industry, College of Animal Science, South China Agricultural University, Guangzhou 510642, China
2. Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, 483 Wushan Road, Guangzhou 510642, China
3. Joint Laboratory of Guangdong Province and Hong Kong Region on Marine Bioresource Conservation and Exploitation, College of Marine Sciences, South China Agricultural Universtiy, Guangzhou 510641, China
4. Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, China