noun
highly prolific strain; variety that bears many young
Technical term used in agriculture, animal husbandry, and biology for a breed or line selected for high reproductive output.
この多産系の豚は一度に十頭以上の子豚を産む。
This highly prolific strain of pig gives birth to more than ten piglets at a time.
研究者たちは多産系のマウスを実験に用い
The researchers used a highly prolific mouse strain for the experiment.