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Emergence of fipronil resistance in cattle ticks Rhipicephalus microplus and Hyalomma anatolicum collected from Haryana, India
International Journal of Tropical Insect Science ( IF 1.1 ) Pub Date : 2020-07-23 , DOI: 10.1007/s42690-020-00218-4
Snehil Gupta , Surbhi Gupta , Sachin Kumar

Fipronil is a broad spectrum phenylpyrazole compound which is recently used in field condition for the control of the tick, mites, flea and flies population in domestic animals and pets. It is used more often in organised cattle farms to avoid fly menace and concurrently reduce tick infestation. Repeated exposure of fipronil to cattle ticks, Rhipicephalus microplus and Hyalomma anatolicum might have led to the emergence of acaricide resistance. The objective of this study was to estimate fipronil sensitivity in field ticks collected from 8 different farms of Haryana (India) using FAO recommended larval packet test. Out of these, four cattle farms were found infested with both R. microplus and H. anatolicum; one farm at Sirsa district of Haryana comprises of H. anatolicum exclusively whereas three other farms at Hisar and Bhiwani districts of Haryana showed only the presence of R. microplus ticks. The resistance factor for H. anatolicum against fipronil in larval packet test ranged from 0.23 to 3.8, whereas, it ranged from 2.4 to 28.2 for R. microplus ticks. The H. anatolicum isolates displayed lower resistance factor in comparison to R. microplus population indicating greater selection on one host tick and faster development of fipronil resistance. This article reports for the first time the emergence of fipronil resistance in Western part of Haryana and highlights the beginning of fipronil resistance in H. anatolicum ticks which is responsible for high incidence of bovine tropical theileriosis in Northern India.

中文翻译:

来自印度哈里亚纳邦的牛蜱 Rhipicephalus microplus 和 Hyalomma anatolicum 中出现氟虫腈抗性

氟虫腈是一种广谱苯基吡唑化合物,最近在野外条件下用于控制家畜和宠物的蜱、螨、跳蚤和苍蝇种群。它更常用于有组织的养牛场,以避免苍蝇威胁并同时减少蜱虫感染。氟虫腈反复接触牛蜱、Rhipicephalus microplus 和 Hyalomma anatolicum 可能导致出现杀螨剂抗性。本研究的目的是使用粮农组织推荐的幼虫包测试来估计从哈里亚纳邦(印度)的 8 个不同农场收集的田间蜱对氟虫腈的敏感性。其中,四个养牛场被发现同时感染了 R. microplus 和 H. anatolicum;哈里亚纳邦锡尔萨区的一个农场由 H. anatolicum 仅存在,而哈里亚纳邦 Hisar 和 Bhiwani 地区的其他三个农场仅显示存在 R. microplus 蜱。在幼虫包测试中,H. anatolicum 对氟虫腈的抵抗系数范围为 0.23 至 3.8,而 R. microplus 蜱的范围为 2.4 至 28.2。与 R. microplus 种群相比,H. anatolicum 分离株显示出较低的抗性因子,表明对一个宿主蜱的选择更大,并且氟虫腈抗性的发展更快。这篇文章首次报道了哈里亚纳邦西部出现氟虫腈耐药性,并重点介绍了导致印度北部牛热带泰勒虫病高发的 H. anatolicum 蜱中氟虫腈耐药性的开始。在幼虫包测试中,anatolicum 对氟虫腈的范围从 0.23 到 3.8,而对于 R. microplus 蜱,它的范围从 2.4 到 28.2。与 R. microplus 种群相比,H. anatolicum 分离株显示出较低的抗性因子,表明对一个宿主蜱的选择更大,并且氟虫腈抗性的发展更快。这篇文章首次报道了哈里亚纳邦西部出现氟虫腈耐药性,并重点介绍了导致印度北部牛热带泰勒虫病高发的 H. anatolicum 蜱中氟虫腈耐药性的开始。在幼虫包测试中,anatolicum 对氟虫腈的范围从 0.23 到 3.8,而对于 R. microplus 蜱,它的范围从 2.4 到 28.2。与 R. microplus 种群相比,H. anatolicum 分离株显示出较低的抗性因子,表明对一个宿主蜱的选择更大,并且氟虫腈抗性的发展更快。这篇文章首次报道了哈里亚纳邦西部出现氟虫腈耐药性,并重点介绍了导致印度北部牛热带泰勒虫病高发的 H. anatolicum 蜱中氟虫腈耐药性的开始。microplus 种群表明对一个宿主蜱的更多选择和氟虫腈抗性的更快发展。本文首次报道了哈里亚纳邦西部地区出现氟虫腈耐药性,并强调了在印度北部引起牛热带泰勒虫病高发的安纳托利克蜱中氟虫腈耐药性的开始。microplus 种群表明对一个宿主蜱的更多选择和氟虫腈抗性的更快发展。这篇文章首次报道了哈里亚纳邦西部出现氟虫腈耐药性,并重点介绍了导致印度北部牛热带泰勒虫病高发的 H. anatolicum 蜱中氟虫腈耐药性的开始。
更新日期:2020-07-23
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