The only factor that prevented horses from spreading beyond West Africa was trypanosome diseases borne by tsetse flies.

阻止马传播到西非以外的唯一因素采采蝇传播的锥虫。

Guinea pigs may have contributed a trypanosome infection like Chagas' disease or leishmaniasis to our catalog of woes, but that's uncertain.

豚鼠可能锥虫感染的罪魁祸首，比如南美锥虫或利什曼，确定的。

Similarly, the spread southward of Fertile Crescent domestic animals through Africa was stopped or slowed by climate and disease, especially by trypanosome diseases carried by tsetse flies.

同样，气候和疾，特别采采蝇携带的锥虫，阻止或减缓了新月沃地家畜通过非洲向南的传播。

Their analysis, just published in plos Neglected Tropical Diseases, revealed an oil which proved 30% more effective at killing trypanosome parasites than did diminazene aceturate, the standard anti-trypanosomal drug.

他们的分析结果最近刚在《公共科学图书馆·被忽视的热带疾》杂志上发表，结果显示他们发现了一种油，种油已被验证其杀死锥虫寄生虫的效果比标准的抗锥虫药物乙酰氨基苯酯要高出30%。