rotational crossbreeding
常見(jiàn)例句
- The milk and growth performance of low production Holstein herd had been improved after crossbreeding for 17 years and the rotational mating patterns made better improvement.
經(jīng)過(guò)雜交,原中低產(chǎn)荷斯坦牛群體在產(chǎn)奶性能、生長(zhǎng)性能方面都有進(jìn)展,輪回雜交提高幅度相對(duì)略高。 返回 rotational crossbreeding