Do you still find many ticks active on your cattle after dipping? You may have a resistance problem.
When cattle are dipped in an acaricide, the ticks clinging to them drop off or are killed. However, ticks can develop a resistance to a specific active ingredient, especially when you have been using it for a long time.
The Insecticide Resistance Action Committee describes pesticide resistance as “a heritable change in the sensitivity of a pest population” reflected in the “repeated failure of a product to achieve the expected level of control when used according to the label recommendation for that pest species”.
This story is from the May 11, 2018 edition of Farmer's Weekly.
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This story is from the May 11, 2018 edition of Farmer's Weekly.
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