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Controlling kangaroos:
Google AI:
Farmers use a combination of methods to stop kangaroos from eating crops, ranging from physical barriers and electric fencing to non-lethal deterrents and, where necessary and legally permitted, lethal control. Because kangaroos are highly mobile and intelligent, an integrated approach combining several strategies is typically the most effective.
Here are the main strategies used:
1. Fencing and Physical Barriers
High Exclusion Fencing: Wire mesh, chain mesh, or prefabricated fences (like Hingejoint™) that are at least 1.5 to 1.8 meters high can prevent kangaroos from entering paddocks. Electric Fencing: Highly effective when properly installed, often using two or more hot wires at different heights (e.g., 600mm and 1.2m) to deliver a deterrent zap, discouraging them from jumping or pushing through.
Fencing Visibility: White electric tape or netting is added to the top of fences to make them more visible, reducing the likelihood of kangaroos crashing into them at night and getting entangled.
Tree Guards: Individual young plants and trees are protected with plastic, mesh, or wire guards until they are large enough to withstand browsing.
2. Non-Lethal Deterrents Livestock Guardian Dogs: Maremma dogs, often used for sheep, are effective at patrolling boundaries and keeping kangaroos away from areas.
Scare Tactics: Motion-activated sprinklers, strobe lights, and loud noise devices (like gas guns) can disrupt feeding patterns, though kangaroos can sometimes become accustomed to these. Reflective Tape/CDs: Hanging reflective objects can act as a visual disturbance. Smelly Repellents: Spraying strong-smelling substances like urea, blood and bone, or commercial odor-based repellents can discourage browsing, though these often require frequent reapplication.
3. Habitat and Property Management Reducing Attractants: Keeping lawns, grass, and fodder crops short around high-value areas can make the area less attractive for grazing. Water Management: Removing or fencing off artificial water points and using stock-activated troughs can discourage them from settling near crops.
Strategic Planting: Placing crops further away from bushland, which is their natural shelter.
4. Legal Culling Authority to Control Wildlife (ATCW): In Australia, kangaroos are protected under the Wildlife Act 1975. Farmers must apply for permits to legally shoot them. Lethal Control: Culling is generally considered a "band-aid" solution that is most effective when part of a broader, long-term management strategy (such as fencing).
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