如果对居住于峡谷内的所有狼群每五年开展一次狂犬病治疗，在20年内，埃塞俄比亚狼种灭亡的可能性将降低四倍。

• If the threat of rabies arose every five years, targeting all the wolves in the corridors would cut the risk of extinction over a20- year period by fourfold.