Abamectin ndi mankhwala atsopano a ziweto ndi ulimi, osakaniza avermectins okhala ndi 80% avermectin B1a komanso ochepera 20% avermectin B1b. B1a ndi B1b ali ofanana kwambiri kwachilengedwe komanso poizoni. Zimasokoneza zochitika za thupi la tizilombo tating'onoting'ono, zoletsa mitsempha yolumikizana ndikutulutsa ziwalo mpaka kufa.