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Two for the Price of One: Livestock Guarding Dogs Deter Not Only Predators But Also Competitors
Rangeland Ecology & Management ( IF 2.3 ) Pub Date : 2021-06-26 , DOI: 10.1016/j.rama.2021.05.004
Carolina S. Ugarte , Tadeo Talbot-Wright , Javier A. Simonetti

Livestock guarding dogs reduce livestock predation by excluding carnivores and altering herbivore behavior through their presence. In Patagonia, invasive European hares compete with livestock for forage but change their behavior when exposed to native predator odors. In this experiment, we aimed to test if livestock guarding dog odor triggers fear in this herbivore and reduces hare presence in different habitats of sheep grazing lands of Chilean Patagonia, where these lagomorphs are an invasive species. The results showed that European hares reduce their visits to scented places with and without horizontal vegetation. We also discovered that this invasive species reduced foraging time when the odor was present in places with dense horizontal vegetation. These results suggested that livestock guarding dogs could also serve as a European hare deterrent and decrease competition with livestock, allowing greater production and supporting sustainable livestock farming.



中文翻译:

两付一:家畜护卫犬不仅可以阻止掠食者,还可以阻止竞争对手

家畜护卫犬通过排除食肉动物并通过它们的存在改变食草动物的行为来减少牲畜的捕食。在巴塔哥尼亚,入侵的欧洲野兔与牲畜竞争饲料,但在暴露于本地捕食者气味时会改变它们的行为。在这个实验中,我们的目的是测试家畜护卫犬的气味是否会引发这种食草动物的恐惧,并减少智利巴塔哥尼亚绵羊放牧地不同栖息地的野兔存在,这些兔形动物是入侵物种。结果表明,欧洲野兔减少了对有或没有水平植被的香味场所的访问。我们还发现,当这种气味存在于水平植被茂密的地方时,这种入侵物种会减少觅食时间。

更新日期:2021-06-28
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