选择受气候因素影响较大的母猪繁殖性能指标，对2002 ~ 2004年新品系母猪的繁殖性能与淮南猪母猪的繁殖性能进行同期比较。
The reproductive traits affected clearly by climate factors were compared between the new strain sows and Huainan sows during the corresponding period from 2002 to 2004.
结果：不同品系、同品系不同微生物等级的实验大鼠间在某些指标上有一定的差异。
Results: There were differences in the indexes between different strains of laboratory rats and between same strain and different microbe control grades of laboratory rats.
因此，本文结果对选取考察指标及其抗虫品系的选育提供了重要的参考价值。
Therefore, the results provided an important reference to select study indicators and the selecting and breeding of insect-resistant pedigree.
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