ND value, immunity organ indexes and alexin C3 showed no difference between different treatments of zinc sources (P>0 05).
不同锌源对仔鸡ND抗体滴度、免疫器官指数、补体C3均无明显差异（P >0 0 5）。
To estimate effect of different zinc sources on early performance and correlative gene express of piglet, forty-five 28-day-old weaned piglets were randomly divided into three groups of 15 each.
利用不同的锌源饲喂早期断奶仔猪，研究其对仔猪早期生长的影响，并从激素水平及基因表达上探讨其可能的作用机制。
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