在淡水鱼宿主寄生系统上分析竹纤维及其相关染料
Scott MacAulay1, Numair Masud2, Jo Cable2
1School of Biosciences, Cardiff University, Cardiff, CF10 3AX, UK. MacAulayS@cardiff.ac.uk.
Environmental science and pollution research international
|August 14, 2024
概括
基于竹子的织品和染料会影响鱼类的健康,改变常规代谢率 (RMR). 虽然不会增加死亡率或寄生虫负载,但这些环保替代品需要进一步研究,以避免绿色洗问题.
科学领域:
- 环境毒理学环境毒理学
- 水生生态毒理学 水生生态毒理学
- 可持续的织品 可持续的织品
背景情况:
- 时尚行业日益增长的污染需要可持续的替代方案.
- 有机织纤维,比如竹子,被推销为环保,但它们对环境健康的影响还没有得到充分研究.
- 来自纤维的微塑料污染是水生生态系统的一个重大问题.
研究的目的:
- 评估竹基纤维和相关染料对鱼类疾病抵抗力和代谢的健康影响.
- 调查复制的竹和加工的竹纤维以及反应性黑-5染料对淡水 (Poecilia reticulata) 主体寄生系统的影响.
- 评估在暴露于织污染物后,常规代谢率 (RMR) 和抗病能力的变化.
主要方法:
- 淡水 (Poecilia reticulata) 暴露于复制的竹纤维 (700 纤维/L),加工的竹纤维 (700 纤维/L) 和反应性黑-5 染料 (1 毫克/L) 3 周.
- 暴露后,一半的鱼被Gyrodactylus turnbulli (单源外寄生虫) 感染,并对17天的寄生虫负载进行监测.
- 在未感染和感染的鱼类中测量常规代谢率 (RMR),以评估生理影响.
主要成果:
- 在所有暴露组中,没有观察到宿主死亡率或寄生虫感染负担的显著变化.
- 暴露在加工的竹-elastane 的未受感染的鱼类显示增加了RMR,而暴露在复制的竹-粘糖的鱼类显示减少了RMR.
- 暴露在复制的竹和染料中的鱼在感染前和感染后表现出显著的RMR变化.
结论:
- 在这项研究中,以竹为基础的纤维和染料没有增加鱼类的死亡率或对寄生虫的易感性.
- 织纤维和染料暴露可以显著改变鱼类的新陈代谢率,表明潜在的生理压力.
- 进一步的研究至关重要,以了解替代纤维对环境健康的影响,并防止织行业的绿色洗.
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