Horn flies, face flies, and stable flies are not just irritants to livestock, but are economically important to producers due to negative impacts on milk production and calf weaning weights. In addition, they can affect grazing distribution and transmit eye diseases such as pinkeye and infectious bovine rhinotracheitis (IBR). It is difficult to predict what fly levels will be like for any given year, but hot, dry weather usually results in high numbers. It is important to understand identification and life cycles of pests affecting livestock in order to choose the most effective control options. –iGrow by SDSU Extension Read more…
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