noun
linebreeding; continuous back crossing
Technical term in genetics and animal/plant breeding. Refers to a breeding strategy where offspring are repeatedly crossed back to a parent or ancestor to consolidate desired traits.
犬の品種改良では、連続戻し交配によって特定の形質を固定することがある。
In dog breeding, linebreeding is sometimes used to fix specific traits.
この研究では、連続戻し交配を用いて耐病性系統を作出した。
In this study, continuous back crossing was used to create disease-resistant lines.
Compound of 連続 (continuous), 戻し (back), and 交配 (crossing/breeding). The term is a direct calque from English 'continuous back crossing'.