Ivermectin has the disadvantage of an ecological point of view to find unchanged (donc active) in dung or dung of animals treated. This shedding may last one month after treatment, and once present in dung, ivermectin y is degraded (mainly UV) that after 6 days.
Ivermectin ina hasara ya uhakika mazingira ya mtazamo kupata unchanged (donc kazi) katika kinyesi au kinyesi ya wanyama kutibiwa . Kumwaga Hii inaweza mwisho wa mwezi mmoja baada ya matibabu, na mara moja sasa katika kinyesi, ivermectin y ni duni (hasa UV) kwamba baada ya 6 siku . Katika kipindi hiki, molekuli ni sumu kwa wadudu .