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.
This highly prolific strain of pig gives birth to more than ten piglets at a time.
The researchers used a highly prolific mouse strain for the experiment.
Compound of 多産 (tasan, 'prolific') and 系 (kei, 'lineage' or 'strain'). The exact historical derivation is uncertain, but the term follows standard scientific naming patterns.