The clinical incidence of AR reduced from 51.39% to 1.39% when vaccination plus drug control, and multiple indexes were well improved for growing-finishing pigs.
结合饲料中添加药物、哺乳仔猪药水滴鼻等药物防治措施，可使猪群的临床发病率由51.39％降至1.39％，生长肥育猪的综合性能指标得到较大改善。
The Cu excretion rate is higher in piglets than that of growing and finishing pigs, the Zn excretion decreased as the Zn addition to the diets decreased.
从各阶段的排泄率可以看出，仔猪铜的排泄率要高于生长肥育猪，而锌则有随添加量减少排泄率降低的趋势。
At the meantime, protein utilization was improved both for growing and finishing pigs.
同时，生长肥育猪低蛋白红苕日粮蛋白质利用效率明显提高。
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