CSIRO trials adaptive pest repellent system

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A humane way to control pest animals and help save Australian farmers' crops and livelihoods is on the way thanks to CSIRO scientists

CSIRO researchers Dr Ash Tews and Dr Philip Valencia with a VPDaD node
CSIRO researchers Dr Ash Tews and Dr Philip Valencia with a VPDaD node

After successfully scaring away elephants from farms and crops in Africa, scientists are trialling the Vertebrate Pest Detect-and-Deter (VPDaD) technology in Queensland's Lockyer Valley against pests such as ducks, cockatoos, rabbits and wild dogs, which cost the Australian economy up to $1 billion a year.


"Ultimately we want to scale-up the technology and roll it out across Australia," CSIRO scientist Dr Ash Tews says. "The idea here is that we can adapt as necessary."

TheVPDaD works by detecting and identifying animals as they come close to farms or crops. By emitting a series of sounds and lights, the technology is able to humanely scare them away before they cause damage.

In Australia, vertebrate pest animals can cause thousands of dollars' damage each time they feast on crops, causing real problems for farmers' orchards, vegetable and cereal crops, and potentially for livestock during critical periods of development or birthing events.

In addition to the feasibility study underway in the Lockyer Valley, the CSIRO is looking to partner with local agribusinesses to continue testing and trialling the technology in Australia, aiming to help primary industries facing problems with an array of animals including ducks, cockatoos, rabbits, feral pigs, wallabies, foxes and dingoes.

The previous trial was conducted in Gabon, central Africa, where elephants present a significant problem for villagers and agricultural communities as they are capable of destroying a community's entire season's worth of crops overnight.

In collaboration with agribusiness company Olam International, the VPDaD technology was successfully used to prevent elephants from destroying fruit crops.

"One of the interesting issues with existing deterrent technologies is that, not only do animals become de-sensitised to them, but smarter ones can even learn to use the deterrents as an indication of a food source, which is the opposite of their purpose," Tews says.

"Our autonomous technology allows the system to recognise animal behaviours in response to deterrents and modify the deterrent strategy until the desired effect is achieved.

"This allows the system to be more effective over long periods of time such as the key threat times during crop growing," Tews adds.

The VPDaD technology consists of two systems; a motion sensor device, and a collection of cameras that can pick up images and heat signatures of an animal, with lights and sounds which function as the deterrent for pests.

CSIRO technology specifically developed for the camera program allows the computer to recognise and classify animals based on the images captured.

In addition to looking at how animals respond to perceived threats, scientists are also looking at longer-term aspects, such as analysing deterrent effectiveness and animal movements over seasons.

Close up of VPDaD nodes
A close up of one of the CSIRO’s Vertebrate Pest Detect and Deter technology (VPDaD) nodes

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