yù​zhǒng

breed

育种 (育種) yù​zhǒng
breed verb
to produce or develop improved varieties of plants or animals through selective reproduction

Scientists have successfully bred a variety of pest-resistant cotton.

breeding verb
the science, practice, or process of cultivating superior varieties of organisms

He has been working in rice breeding for over thirty years.

Frequency

Written text
4.81 per million

Sources

Definitions
CC-CEDICT
Frequency data
BCC Corpus (BLCU)