Neogen® Havoc® Rodenticide Bait Pack is a superior, single-feed rodenticide in convenient place packs. Made with a strong second generation anticoagulant, Brodifacoum (.005%). Havoc products combine Brodifacoum with a special mixture of attractive bait ingredients to create palatable place packs. This product may only be used to control the following rodent pests in and within 100 ft of agricultural buildings and man-made agricultural structures: house mouse (Mus musculus), Norway rat (Rattus norvegicus), and roof rat (Rattus rattus). Neogen’s proven line of rodenticides is used for effective control of rodent infestations and is often a critical component of an overall biosecurity plan.