循环放牧用英语怎么说？

循环放牧

cyclic grazing

cyclic

adj. 周期的，循环的，轮转的；

例句
The yields of other cyclic acetals were between 62.
并在此条件下合成了多种环缩醛,收率62.

grazing

n. 放牧，牧场，草场；v. （让动物）吃草( graze的现在分词 )，轻擦，擦破，擦过，掠过；

例句
He had nearly a thousand acres of grazing and arable land.
他有将近1,000公顷的草场和耕地。