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This is the best way to kill a fox. To kill them you require at least a .22 rifle. Shooting of foxes is legal but the use of firearms is restricted near highways and inhabited areas. Care should; however, be taken that a wrong animal is not victimized.
Trapping and killing
Since a gun is not always available this method can come in handy and is simple to follow as well. All you need to do is trap the fox using a spring trap or cage trap. Place this trap behind your car and cover it with a blanket. Now connect a hose from tail pipe to the covered cage. Turn on your car and let it run for around twenty minutes. This is the easiest way to kill the fox.
Strychnine is the best poison to kill foxes. However, permission may be required to use it. It can be added to a bait such as chunk of meat which when consumed by fox would result in death.
Foxoff is pre-poisoned bait with a small amount of sodium fluroacetate in it. Once eaten this gets absorbed and blocks the enzymes from producing energy.
The important thing to note here is that use of any kind of poison on foxes is illegal and is the worst option to use. It can lead to fine or imprisonment.
Gassing involves the introduction of chemical granules into the dens of foxes. When they combine with moisture, gases are released which kill the animal in the den. Earth dens can be easily gassed. Gassing is also illegal in many states.
Snares are nooses used to catch wild animals. Free running is the most basic type. It is usually placed at the entrance of the den or shelter of a fox. They can also be placed at paths used regularly by the animal. They are aimed at killing the foxes by strangulating them.
A rocking eye snare can also be used. This has an eyelet that does not allow the noose to loosen easily. The fox once caught cannot back out of a rocking eye snare.
Another kind of snare is a self-tightening snare. When a fox is caught the noose tightens by itself and does not loosen even if fox stops struggling. Snares can be used to catch foxes but this technique is subject to restrictions, which can hardly be met in urban areas.
It should be understood well that killing foxes is not the solution as they are territorial animals and hence a new entrant may arrive as soon as the place is vacated. The better idea is opting for other ways to keep them at bay. They can be trapped and relocated.
The best alternative is to seek the help of a skilled expert to safely relocate them. The legalities must also be checked before attempting to use traps or any other method if do not want a legal action against you.
Deterrents can also be used. Substances such as kerosene, petrol and creosote are suggested as strong repellents. Electric fencing is another safe ways and works well. A small supply from mains or power from a car battery is sufficient. Other options could be noise generators or a water scarecrow. While the former has variable performance, the latter is very effective without harming the animal. A water scarecrow is a gadget that senses heat and movement and shoots water in the direction. It can be turned on and off as per requirement.
Foxes can also be kept away by making food or shelter inaccessible. All sources of food should be eliminated like fish and bone containing edibles. Bone and blood based fertilizers should not be used as these can attract foxes and they would start digging the lawns. Instead of normal bag bins, animal proof bins should be used. Voids under sheds should also be blocked.
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