| assessing pest control using changes in instantaneous rate of population increase: treated targets and stable fly populations case study. | the instantaneous rate of population increase was used to assess the ability of attractive targets coated with permethrin to control stable fly populations on 3 dairy farms in south central ontario, canada. two attractive targets were deployed over 10 wk in 2001 at each of 6 dairy farms. three farms were outfitted with 2 untreated targets and 3 were outfitted with 2 targets treated with permethrin [ectiban-impregnated coroplast (ectiban: schering-plough canada inc., pointe-claire, québec, canada ... | 2010 | 20494159 |