英语翻译Sixty crossbred piglets averaging 13.5 kg wererandomly assigned to two treatment groups with threereplications(pens)based on sex and mass

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英语翻译
Sixty crossbred piglets averaging 13.5 kg were
randomly assigned to two treatment groups with three
replications(pens)based on sex and mass

根据性别和重量把60头平均重量为13.5千克的杂交小猪随即分配给拥有三个猪圈的两个治疗小组