Seasonal abundance, physiological age, and daily activity of host-seeking horse flies (Diptera: Tabanidae) at Seven Sisters, Manitoba, with an evaluation of permethrin spray treatments as a means of increasing the performance of growing beef heifers subject to horse fly attack
Effects of biweekly permethrin treatments on the weight gain performance of growing beef heifers subject to attack by large numbers of blood-feeding tabanids was evaluated. In 1987 and 1988 respectively, groups of 55 and 72 heifers (of similar age and weight) were divided into two herds. Animals in...
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2012
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| Online Access: | http://hdl.handle.net/1993/7190 |