1. Key Laboratory in Nanjing for Evaluation and Utilization of Pigs Resources Ministry of Agriculture and Rural Areas of China, Institute of Swine Science, Nanjing Agricultural University Nanjing China
2. Center for Quantitative Genetics and Genomics Aarhus University Aarhus Denmark
3. Huaian Academy Nanjing Agricultural University China
4. Huaiyin Xinhuai Pig Breeding Farm of Huaian City China