The low nutritional level and low copper group had significantly higher growth performance than 2 high copper groups (P<005).

在低营养水平、低铜组肉鸭的生长性能显著（P<0 05），高于低营养水平、高铜组和高营养水平、高铜组；

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Every event is part of an Events Group (see the detailed list of events for the group name for each event). The performance panel has a button for each group with options of Off, Low and High.

扫数的变乱都是某变乱组的一部分（详见每个变乱的所属组别的列表）。

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