品ひん種しゅ改かい良りょう

noun, noun which may take the genitive case particle 'no'

selective breeding; breeding improvement

Refers to the process of improving plant or animal varieties through selective breeding. Used in agricultural, horticultural, and biological contexts.

• この米こめは品ひん種しゅ改かい良りょうによって収しゅう穫かく量りょうが増ふえた。

  This rice has had its yield increased through selective breeding.

• 品ひん種しゅ改かい良