rotational crossbreeding
常见例句
- 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.
经过杂交，原中低产荷斯坦牛群体在产奶性能、生长性能方面都有进展，轮回杂交提高幅度相对略高。 返回 rotational crossbreeding