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<p>Understanding the diversity of ticks is crucial to comprehending their population dynamics and role in pathogen transmission. Between July 2022 and July 2023, a total of 440 animals were inspected across 35 Cattle Production Units (CPU) adjacent to the Tamiahua and Tampamachoco lagoons in northern Veracruz, Mexico. A comprehensive total of 7,026 ticks, encompassing various developmental stages, were collected; this total includes 5,854 adults (83.3%), 984 nymphs (14%), and 188 larvae (2.7%). The prevalence of cattle infested with ticks was 93.7%, while in wild animals it was 50.9%. Morphological identification revealed the presence of eight species from three genera: <i>Rhipicephalus microplus</i>, <i>Haemaphysalis leporispalustris</i>, and six species of the genus <i>Amblyomma</i> (<i>A</i>. <i>auricularium</i>,<i> A</i>. <i>dissimile</i>, <i>A</i>. cf. <i>tenellum</i>, <i>A</i>. <i>mixtum</i>, <i>A</i>. <i>ovale</i>, and <i>A</i>. <i>rotundatum</i>). In wild animals, greater species richness was recorded with <i>A</i>. <i>auricularium</i> being the dominant species. In contrast, only two species were found in cattle. Interaction network analysis showed that <i>A</i>. <i>mixtum</i> has the highest number of associations with different hosts such as <i>Bos taurus</i>, <i>Didelphis virginiana</i>, <i>Dasypus novemcinctus</i>, <i>Procyon lotor</i> and <i>Sylvilagus floridanus</i>, while <i>R</i>. <i>microplus</i> was associated with <i>Bos taurus</i> and <i>D</i>. <i>virginiana</i>. These findings highlight the need to analyze not only species richness and abundance but also the potential for tick exchange among hosts and to correlate tick diversity with pathogen prevalence.</p>

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Diversity and prevalence of ticks associated to cattle and wild animals in lagoon ecosystems of northern Veracruz, México

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月27日

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  • Anali Elsa Bello-Velázquez,
  • Miguel Ángel Alonso-Díaz,
  • Dora Romero-Salas,
  • Gerardo Suzán,
  • Juan Manuel Pech Canché,
  • Carmen Guzmán-Cornejo

摘要

Understanding the diversity of ticks is crucial to comprehending their population dynamics and role in pathogen transmission. Between July 2022 and July 2023, a total of 440 animals were inspected across 35 Cattle Production Units (CPU) adjacent to the Tamiahua and Tampamachoco lagoons in northern Veracruz, Mexico. A comprehensive total of 7,026 ticks, encompassing various developmental stages, were collected; this total includes 5,854 adults (83.3%), 984 nymphs (14%), and 188 larvae (2.7%). The prevalence of cattle infested with ticks was 93.7%, while in wild animals it was 50.9%. Morphological identification revealed the presence of eight species from three genera: Rhipicephalus microplus, Haemaphysalis leporispalustris, and six species of the genus Amblyomma (A. auricularium, A. dissimile, A. cf. tenellum, A. mixtum, A. ovale, and A. rotundatum). In wild animals, greater species richness was recorded with A. auricularium being the dominant species. In contrast, only two species were found in cattle. Interaction network analysis showed that A. mixtum has the highest number of associations with different hosts such as Bos taurus, Didelphis virginiana, Dasypus novemcinctus, Procyon lotor and Sylvilagus floridanus, while R. microplus was associated with Bos taurus and D. virginiana. These findings highlight the need to analyze not only species richness and abundance but also the potential for tick exchange among hosts and to correlate tick diversity with pathogen prevalence.