Eliminate as far as practical all alternative food sources. Bait infested area. Place bait stations under cover and not in the open. Record the number and locations of bait stations for later replenishment and/or removal. Several small bait stations give better mouse control while rats require larger bait stations in one or two locations. Bait the whole area simultaneously Maintain an uninterrupted supply of Ratsak for at least 14 days for effective control. It is essential to check bait stations every 1-2 days and top these up as necessary until all feeding ceases.