The most suitable for raising sheep is giant grass.

Giant grass is a perennial gramineous plant with strong tillering ability and is called the king of yield. Mainly asexual reproduction, planting and breeding in spring. In late autumn in the north, the stems should be preserved like kiln sugar cane and planted next year. It doesn't need much soil and can be planted in ditches, ponds, dams and slopes. According to the determination, its crude protein content reaches 65438 08.46%, which is mainly suitable for feeding horses, pigs, geese, grass carp, silver carp, bighead carp, cattle, sheep, deer and silage.