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Beyond the Bale : September 2016
Anew and efficient tool for delivering 1080 into the mouths of wild dogs and foxes is now available across most areas of mainland Australia. Canid Pest Ejectors (CPEs) – previously known as M-44 ejectors – are baited, spring- activated devices that propel the toxin directly into a predator’s mouth as it pulls upwards on the bait. The firm upward pulling action required to trigger the toxin delivery is easily achieved by wild dogs and foxes, but much less so by most non-target species. The toxin in the CPEs is contained within a sealed capsule that can be left in the field for extended periods. This means that capsules only need to be replaced if they are activated, potentially saving farmers both time and money. Though more expensive than traditional baits, the CPE devices can be used for many years. Only the poison capsules and bait lure heads need to be replaced. It is important to check the dried meat ejector heads about once each month and to refresh any lure heads that are weathered, damaged or eaten by ants. The device is staked to the ground by a sturdy metal peg and cannot be easily moved. This ‘set and stay’ design prevents the moving and caching of baits that can put domestic and working dogs at risk. CANID PEST EJECTORS 1080 DIRECT INTO THE PREDATOR’S MOUTH A spring-activated device that propels 1080 into the mouths of wild dogs and foxes is a new tool – complementing other available control options – now being used by woolgrowers and wild dog control groups in the war against the predators. Wild dog pulling at a Canid Pest Ejector. PHOTO NSW Office of Environment and Heritage. Schematic of assembled CPE ANOTHER CONTROL TOOL FOR FARMERS CPEs were first developed in the USA in the 1930s, for the control of coyotes, and have undergone research and assessment over the past decade by departments of primary industries and environment and Animal Control Technologies Australia (ACTA) in several Australian states. The ejectors have been used extensively by NSW National Parks and Wildlife Service (NPWS) in national parks and on private land, according to Senior Pest Officer with NPWS, Rob Hunt. “The CPEs pick up wild dogs across a range of areas with foxes and wild dog pups being particularly susceptible,” he said. “The ejectors have won over a lot of farmers who like that extra level of bait security and the ability to shut down their baiting program at any time knowing there is no 1080 left on the property. “The long-term stability of the capsules and the fact that they only have to check them once a month is also very handy, although if there are a lot of pests in the area more frequent checking may be required.” Canid Pest Ejector - 11 Schematic of assembled CPE Complete CPE unit GROUND SURFACE POISON POISON CAPSULE BAIT OR LURE MATERIAL TRIGGER TRIGGER LOCK RING EJECTOR BODY EJECTOR OUTER CASE SPRING STURDY GROUND SPIKE LURE HEAD PISTON Canid Pest Ejector - 11 Schematic of assembled CPE Complete CPE unit GROUND SURFACE POISON POISON CAPSULE BAIT OR LURE MATERIAL TRIGGER TRIGGER LOCK RING EJECTOR BODY EJECTOR OUTER CASE SPRING STURDY GROUND SPIKE LURE HEAD PISTON 32 ON FARM
In the Shops - September 2016