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タイトル別名
  • Some trap methods for the hare
  • ノウサギ ノ ワナ ニ ツイテ

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説明

The damage to the young pine and ceder plantations by the hare reached about 70000 ha. in 1953 only. We are planning to control the hare, so the writer explaine here some effective traps which are used in the different parts of Japan. 1. The wire loop trap<br> It is made of a wire, 0.75mm in diameter with its brightness taken away by burning slightly. It is a loop about 12cm in diameter, a little broader on the sides (Fig. 1). The trap is very effective, if set on the runway, hung in such a way as its lower end is 8cm high from the surface of earth or snow.<br> 2. The hanging trap<br> As shown in Fig. 2, two wires are fasten at the top of a standing tree 2-3cm in diameter, and bent on the runway, they are again fastened by a wire to a bifurcated twig stuck in the ground. The other wire is a loop trap, a wire, 0.7mm in diameter is used and the loop is 14cm in diameter.<br> 3. The rat trap<br> The trap is set on the runway, covered with paper, and over it with soil, and the bait is placed around the trap.<br> 4. The tempting trap<br> A bundle is to be made of slender trunks of 4 feet in length. Two or three parts of it are opened for the passage of the hare (Fig. 3), where a few loop traps shown in Fig. 1 are set, with the greens, foliases such as cabbage, or mistltoe in the middle of the stockade.<br> 5. The crushing trap<br> A board of 4 square feet is formed with sticks tired up. This board (A) is hung on a stick (C) by a vine (B) as shown in Fig. 4 and the other end of the stick is fastened to a stare (E) driven in the ground, by a vine (D) thin enough to be bitten off by the hare. The bait (cabbage, wheat, etc.) is put between the board and the vine, surrounded around with twigs (F) which are unable to be bitten off. Then, the hare must cut off the vine with his teeth, whenever he wishes to eat the bait. It is necessary to lay some stones on the board as heavy as possible.<br> The wire loop trap (Fig. 1) is the most common method, but the crushing trap (Fig. 4) is the most effective and harmless to useful birds and mammals.

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