rotational crossbreeding
常見例句
- 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)過雜交，原中低產(chǎn)荷斯坦牛群體在產(chǎn)奶性能、生長性能方面都有進展，輪回雜交提高幅度相對略高。 返回 rotational crossbreeding