评估用于跳控制和瘟疫缓解的杀虫剂应用对两动物的潜在附带影响
David A Eads1, Susan A Shriner2, Jeremy W Ellis2
1U.S. Geological Survey, Fort Collins Science Center, Fort Collins, Colorado, United States of America.
PloS one
|May 12, 2025
概括
用于保护草原狗和黑脚的杀虫剂可以进入洞穴. 在老虎中检测到德尔塔美和菲普罗尼尔残留物,这表明对这种非目标物种的潜在长期影响.
科学领域:
- 野生动物毒理学和保护生物学
- 杀虫剂在陆地生态系统中的生态毒理学.
背景情况:
- 野生动物的疾病缓解需要评估对非目标物种的附带影响.
- 杀虫剂 (deltamethrin,fipronil) 控制草原狗和黑脚的瘟疫媒介 (跳).
- 洞穴中生活的物种可能会通过经过处理的灰尘或受污染的便颗粒接触到这些杀虫剂.
研究的目的:
- 评估德尔塔米特林和菲普罗尼尔残留物对西部虎 (Ambystoma mavortium) 的潜在影响.
- 为了评估对的生存,体重和活动在模拟洞穴环境中的影响.
主要方法:
- 西部虎被暴露在现实的度deltamethrin粉尘或fipronil-laced便颗粒中.
- 治疗模仿了自然洞穴条件,对照组接受未经处理的便颗粒.
- 监测了沙兰的生存,体重,活动和杀虫剂的组织残留物.
主要成果:
- 所有的都在实验期间幸存下来;没有观察到急性致命效应.
- 在组织中检测到deltamethrin和fipronil sulfone (一种代谢物),表明吸收.
- 在治疗后,沙兰在洞外表现出增加的活力,而德尔塔米特林水平与洞使用相关.
结论:
- 虽然没有观察到急性毒性,但杀虫剂的吸收表明,在西部虎中可能存在潜在的次致命或长期影响.
- 这项研究强调了评估野生动物疾病缓解策略的意外后果的重要性.
- 需要进一步的研究,以了解德尔塔米特林和菲普罗尼尔对非目标洞穴居民的慢性影响.
相关概念视频
Hypothesis: Accept or Fail to Reject?
28.9K
The outcome of any hypothesis testing leads to rejecting or not rejecting the null hypothesis. This decision is taken based on the analysis of the data, an appropriate test statistic, an appropriate confidence level, the critical values, and P-values. However, when the evidence suggests that the null hypothesis cannot be rejected, is it right to say, 'Accept' the null hypothesis?
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
There are two ways to indicate that the null hypothesis is not rejected. 'Accept' the null...
28.9K
Toxicity Testing in Animals
200
Toxicity tests in animals are grounded on two main assumptions: first, the effects observed in laboratory animals can be extrapolated to humans, especially when adjusted for body surface area; second, high-dose exposure in animals is essential to identify potential human hazards from lower doses. This is based on the quantal dose-response concept, which faces the challenge of extrapolating results from relatively few test animals to much larger human populations. For example, a 0.01% incidence...
200
Biological Methods for Microbial Control
1.4K
Biological agents offer an effective means of controlling microbial growth by leveraging natural processes like predation, competition, and the secretion of antimicrobial substances.Predatory bacteria such as Bdellovibrio species target and kill pathogens like Salmonella and E. coli. They are widely used in poultry farms to control infections. Myxococcus species help combat plant-pathogenic fungi. These naturally occurring predators serve as eco-friendly alternatives to chemical pesticides and...
1.4K
Antimicrobial Effectiveness
2.3K
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
2.3K
Anthelminthic Agents
102
Anthelmintic drugs differ significantly from antiparasitic therapies targeting protozoa, primarily due to differences in parasite biology. Whereas most protozoal treatments act on proliferating cells, anthelmintics are typically directed against mature, nonproliferative helminths. The therapeutic approach considers the helminth's reliance on neuromuscular coordination, glucose metabolism, and microtubular integrity for survival, reproduction, and localization within the host. Most anthelmintics...
102


