Antiparasitic Collars: Concentration Levels of Imidacloprid and Flumethrin in Dog Fur Suggest Low Toxicity Risks for Adult Humans.

IF 1.5 4区 农林科学 Q3 PHARMACOLOGY & PHARMACY
Margaux Buisson, Laurine Dumas, Célia Gouffran, Eloïse C Déaux, Laurent Rougier, Sylvia Masson
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引用次数: 0

Abstract

Seresto by Elanco (formerly Bayer Animal Health) is a collar for cats and dogs that provides long-lasting antiparasitic protection through the gradual release of imidacloprid and flumethrin onto the animal's skin. Although the EPA has deemed Seresto safe, their assessment is based on laboratory data, which may not fully reflect real-world exposure. Furthermore, recent reports of over 900 adverse human health events between 2012 and 2022 underscore the need for further safety investigations. We measured these chemicals' concentrations from the fur of eight dogs over 9 months to evaluate how daily interactions with pets could expose humans to toxic levels. Flumethrin was mostly undetectable, and imidacloprid levels were well below the toxicity threshold, suggesting low risks. However, factors like cumulative exposure and individual characteristics warrant consideration. Concentration levels were highest right after collar application, potentially reaching up to 11.6% of an 8 kg child's acceptable daily intake. We recommend limiting prolonged contact with pets, especially for young children, in the first 48 h post-application. We detected residual imidacloprid prior to collar application and 1 month after removal, raising questions as to the potential contamination risks that roaming pets could pose to ecosystems, given the known environmental impacts of these chemicals.

抗寄生虫项圈:狗毛中吡虫啉和氟菊酯的浓度水平表明对成年人的毒性风险较低。
Elanco(原Bayer Animal Health)的Seresto是一款猫狗项圈,通过在动物皮肤上逐渐释放吡虫啉和氟氯菊酯,提供持久的抗寄生虫保护。尽管美国环保署认为Seresto是安全的,但他们的评估是基于实验室数据,可能不能完全反映现实世界的暴露情况。此外,最近关于2012年至2022年期间900多起人类健康不良事件的报告强调,有必要进行进一步的安全调查。我们在9个月内从8只狗的皮毛中测量了这些化学物质的浓度,以评估与宠物的日常互动如何使人类暴露于有毒水平。氟氯菊酯大部分检测不到,吡虫啉水平远低于毒性阈值,表明风险较低。然而,累积暴露和个人特征等因素值得考虑。在使用项圈后,浓度水平最高,可能达到8公斤儿童每日可接受摄入量的11.6%。我们建议在用药后48小时内限制与宠物的长时间接触,尤其是幼儿。我们在使用项圈之前和移除后1个月检测到残留的吡虫啉,提出了关于流浪宠物可能对生态系统造成潜在污染风险的问题,考虑到这些化学品对环境的已知影响。
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来源期刊
CiteScore
3.10
自引率
15.40%
发文量
69
审稿时长
8-16 weeks
期刊介绍: The Journal of Veterinary Pharmacology and Therapeutics (JVPT) is an international journal devoted to the publication of scientific papers in the basic and clinical aspects of veterinary pharmacology and toxicology, whether the study is in vitro, in vivo, ex vivo or in silico. The Journal is a forum for recent scientific information and developments in the discipline of veterinary pharmacology, including toxicology and therapeutics. Studies that are entirely in vitro will not be considered within the scope of JVPT unless the study has direct relevance to the use of the drug (including toxicants and feed additives) in veterinary species, or that it can be clearly demonstrated that a similar outcome would be expected in vivo. These studies should consider approved or widely used veterinary drugs and/or drugs with broad applicability to veterinary species.
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