Means ± standard error of perirenal fat (kg) as a function of genetic groups (GG), different weight classes at the beginning of confinement (WBC/kg) and length of stay in confinement (LSC/days).

Means ± standard error of perirenal fat (kg) as a function of genetic groups (GG), different weight classes at the beginning of confinement (WBC/kg) and length of stay in confinement (LSC/days).以遗传分组（GG）、圈养起始时不同体重分级（WBC/kg）及圈养停留时长（LSC/天）为自变量的肾周脂肪含量（kg）均值±标准误