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对具有抗性和敏感性的犬只进行检测的血厉螨行为差异。

Differences in the behavior of Rhipicephalus sanguineus tested against resistant and susceptible dogs.

机构信息

Federal University of Goiás, Goiânia, Brazil.

出版信息

Exp Appl Acarol. 2010 Aug;51(4):353-62. doi: 10.1007/s10493-009-9334-3. Epub 2010 Jan 21.

Abstract

To ascertain whether brown dog tick Rhipicephalus sp. infests resistant (beagle) and susceptible (English cocker spaniel) dogs differently, five animals of each breed were maintained in a kennel whose walls were infested with 7,000 larvae, 320 nymphs, 80 males and 80 females, in 3 infestations, at 10-day intervals. Five times more ticks were found on cocker spaniels (498) than on beagles (96). Substances were collected by rubbing pieces of clean flannel on the dogs for 15 min and these were tested for arrestment and attractiveness of ticks. Three choices were offered: cocker extract vs. control; beagle extract vs. control, and cocker extract vs. beagle extract. When allowed to choose between substances rubbed from dogs and a control, more ticks were arrested by extracts from the cockers than from beagles. In the arrestment tests with only a choice between substances from dogs of each breed, more ticks were arrested by cocker substances. To test for attraction, capsules containing adsorbent were used and the tests were carried out in a Y-olfactometer. Fifteen males and 15 females were tested, for each treatment. In the olfactometer, the ticks were not attracted to the odor of either breed, however the odor of the Beagle was apparently repellent. These results indicate that R. sanguineus can use substances from the dogs to differentiate susceptible English Cocker Spaniels from resistant Beagles.

摘要

为了确定棕色狗蜱(Rhipicephalus sp.)是否以不同的方式侵袭抗性(比格犬)和易感(英国可卡犬)的狗,将每种品种的 5 只动物饲养在一个犬舍中,犬舍的墙壁上有 7000 只幼虫、320 只若虫、80 只雄性和 80 只雌性,分 3 次以 10 天为间隔进行侵染。在可卡犬(498 只)上发现的蜱虫比比格犬(96 只)多 5 倍。通过在狗身上擦拭干净的绒布 15 分钟来收集物质,然后测试这些物质对蜱虫的停止和吸引力。提供了 3 种选择:可卡提取物与对照;比格提取物与对照,以及可卡提取物与比格提取物。当允许蜱虫在从狗身上摩擦的物质和对照物质之间进行选择时,从可卡犬身上提取的物质阻止了更多的蜱虫。在只在每个品种的狗身上的物质之间进行选择的停止测试中,用可卡犬物质阻止了更多的蜱虫。为了测试吸引力,使用了含有吸附剂的胶囊,并在 Y-嗅觉计中进行了测试。每个处理测试了 15 只雄性和 15 只雌性。在嗅觉计中,蜱虫不会被任何品种的气味吸引,然而,比格犬的气味显然是有驱避性的。这些结果表明,R. sanguineus 可以使用来自狗的物质来区分易感的英国可卡犬和抗性的比格犬。

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