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在一个热带地区使用fluralaner对Rhipicephalus microplus战略控制牛的两个协议
Lidia Mendes de Aquino1, Dina Maria Beltran Zapa1, Daniel de Castro Rodrigues1,2
1Center of Veterinary Parasitology, School of Veterinary Science and Animal Science, Federal University of Goiás, Goiânia, Goiás, Brazil.
Parasites & vectors
|January 8, 2024
概括
倒在fluralaner有效控制牛和牧场上的Rhipicephalus microplus感染,显著减少了的数量. 战略性处理方案降低了粉剂的应用频率,降低了成本和阻力压力.
科学领域:
- 兽医昆虫学 兽医昆虫学
- 寄生虫学的寄生虫学
- 热带医学 热带医学
背景情况:
- 牛 (Rhipicephalus microplus) 感染在热带地区带来了重大的经济挑战.
- 每年可以发生多达五代R. microplus,需要有效的控制策略.
研究的目的:
- 为了评估不同治疗策略的疗效,使用一种新型的注入fluralaner配方来对抗Rhipicephalus microplus.
- 评估这些策略在热带气候下对牛染和牧场幼虫负荷的影响.
主要方法:
- 45头自然感染的牛被分为三个组:每42天倒一次fluralaner (T01),每周评估一次fluralaner (T02),以及接受息喷雾治疗的对照组 (T03).
- 牛的数量每周监测343天,牧场幼虫数量定期评估330天.
主要成果:
- 与对照组 (T03) 相比,Fluralaner治疗 (T01和T02) 导致牛的平均子数量显著降低.
- 草地幼虫数量仍然很低 (≤19个牧场),在fluralaner处理的地区,与对照牧场的显著增加 (1458) 形成鲜明对比.
结论:
- 在热带条件下,注入fluralaner在控制牛和牧场的Rhipicephalus microplus感染方面表现出有效性.
- 战略应用协议可以减少治疗频率,从而降低杀剂成本,并尽量减少对抗性的选择压力.
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