These results indicate that 250 mg/kg Cu affected the utilization of some minerals, and the Cu X fat interaction influenced spleen macromineral status and its weight in weanling pigs.

• 这些结果表明,添加250 mg/kg铜影响了断奶仔猪对一些矿物元素的利用,且铜与脂肪的互作影响了脾脏常量元素状况及脾重。