early-generation selection 早代选择
early-generation pedigree-selection 早代系谱选择
early selection generation 早期选择世代
Heritability in the broad(90.64%) and narrow(81.48%) sense were all mach higher, showed parents have a great Influence on progenies Resistant genes could be expressed in the offspring through gene accumulation, early generation selection is suitable.4.
3．广义遗传力为90.64％，狭义遗传力为81.48％，均较高，说明亲代对后代的影响作用较大，抗性基因可以通过基因累加的方式在后代中表现出来，宜早代选择。
参考来源 - 番茄晚疫病抗性遗传分析·2,447,543篇论文数据，部分数据来源于NoteExpress
In the early generations the selection should not be too strict, and 15% selection intensity was suitable in F2 generation, but 10% was suitable in F3 and F4.
早期世代蛋白质含量的选择强度不宜太大，F2代的选择率以15%为宜，而F3和F4代的选择率以10%为宜。
The early selection of one generation for Huainan Spotted Black Yellow chicken by synthetic selection index of multisecondary traits on blood biochemical indexes were conducted.
国内外畜牧工作者都十分重视利用雏鸡血液生化指标进行早期选种的研究。
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