科技名词定义 中文名称：家系选择 英文名称：line selection;family selection 定义1：以家系为单位，根据家系平均值高低进行的选择。应用学科：水产学（一级学科）；水产生物育种学（二级学科） 定义2：根据家系的平均值，以家系为单位进行选择的方法。 应用学科：遗传学（一级学科）；群体、数量遗传学（二级学科）
释义全同胞家系选择 sibs family selection ; sibs family selection system
全同胞家系选择 full-sibs family selection
释义家系选择系统 family selection system
家系选择法 family selection method
家系选择与家系内选择 Family selection and within family selection
家系内选择 within-family selection
家系指数选择法 family index selection
家系内单树选择增益 within-family individual tree selection
The homogeneous mating-system and individual selection for body weight andshank length and family selection for evenness have been taken to raise frequency ofdwgene and evenness of the population.
通过采用表型同质选配和对10周龄体重、胫长的个体选择以及对均匀度的家系选择，提高了dw基因频率和群体均匀度，取得了良好的选择效果。
参考来源 - 矮小型青胫麻羽肉鸡品系选育与杂交利用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
传统的家系选择和杂交育种是培育优良品种最有效的方法之一。
The traditional line selection and cross breeding is one of the most effective ways to cultivate improved varieties.
通过主要性状方差分析显示差异显著，进而对主要性状的遗传参数进行了评估，并根据检验t值的显著性，进行了优良家系选择。
Variance analysis taken on major characters shows evident difference, and then assessed the genetic parameters of these characters, together with t testing, superior families were chosen in the end.
生根能力的差异主要受基因加性效应控制，对生根能力选择利用效果明显，单株选择较家系选择效果好，其中以全同胞单株选择利用潜力最大。
Variation in rooting ability is mainly affected by gene additive effect. Selection for rooting capacity and its utilization is effective and individual selection is more effective than family one.
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