[1]State Key Laboratory of Animal Nutrition College of Animal Science and Technology China Agricultural University Beijing 100193 China;
[2]College of Animal Science and Technology Qingdao Agricultural University Qingdao 266109 China;
[3]Department of Internal Medicine Department of Biochemistry University of Texas Southwestern Medical Center Dallas TX 75390 USA.;
Fat deposition; Mortality; Pre-weanling piglets; Thermogenesis; White adipose tissue;