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Study conducted in response to a request from a customer who wanted confidence that 2 year old aged ADVION Cockroach Gel batch was equally effective as a more recent ADVION batch.
This simple video study shows a large arena (base area approx 1m2). The sides of the arena are coated with fluon to prevent the cockroaches escaping. The 2 ADVION Cockroach Gel batches (04/13 and 11/14) were applied and marked accordingly. A total of 100 mixed age German Cockroaches (medium to large so they are visible on video) were added to the arena with a water source and 2 cardboard roll harbourages. The roaches had previously been starved for 72 hours. The roaches visit both baits and are filmed in a low light situation for a number of hours. Observed roach behaviour in the arena is expected in that once familiar with the surrounds roaches happily leave the harbourages to feed on both gel batches. Over time roaches return and transfer gel to the harbourages which leads to colony demise.
It is clear from this study that there is no difference in palatability and efficacy between the 2 ADVION Cockroach Gel batches.