However, when used correctly, fencing is a valuable tool of good veld management. 然而，当正确使用，击剑是一项宝贵的工具，良好的草原管理。
They are scavengers, which feed on dung and other decaying organic matter, and play an invaluable role in keeping the veld clean. 他们是清洁工，以粪和另外的腐烂有机物为食，而且在保持草原清洁方面扮演了一个举足轻重的角色。
