传种

tiāo xuǎn yōu liáng pǐn zhǒng jìn xíng chuán zhǒng

挑选优良品种进行传种

choose the best species to breed from

xuǎn liáng zhǒng mǎ chuán zhǒng

选良种马传种

select a horse of good strain for propagation

tā yīn ér zi zǎi le chuán zhǒng de mǔ jī ér duì tā shí fēn nǎo huǒ

她因儿子宰了传种的母鸡而对他十分恼火。

She was mad at her son for killing the brood hen.