Ausmectin is formulated only for external application to cattle; do not use in other species. The formulation should be applied along the topline in a narrow strip extending from the withers to the tailhead. The dose is 1mL for each 10kg of liveweight. Dose the mob according to the heaviest animal by liveweight in each group (cows, bulls, calves, heifers, etc.). When there is a large variation in size within the group, draft into two or more lines based on bodyweight, to avoid overdosing.
Do not underdose. Cattle should be weighed with either scales or with a weighband.
Do not use in pregnant cows less than 7 days before calving Treatment should not be repeated in less than 42 days.
Efficacy of Ausmectin Pour-on For Beef And Dairy Cattle is not adversely affected when the hide is wet or if rainfall occurs shortly after treatment. However, it is not considered good agricultural practice to treat animals if they are wet or rain is likely.
