镉、铜、锌对华氏七鳃鳗精子活力指标的影响

IF 0.8 4区 农林科学 Q3 FISHERIES Iranian Journal of Fisheries Sciences Pub Date : 2020-11-30 DOI:10.22092/IJFS.2020.122923
S. Eagderi, B. M. Amiri, H. Poorbagher, N. Mobin, N. Pourang
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引用次数: 1

摘要

本文研究了Cd、Cu和Zn对瓦氏卡匹米松精子活力的影响。分别在0.01、0.1、1、10、100和1000 mg L-1的重金属环境下,用复合显微镜和数码相机测量精子活动时间和活动精子百分比。结果表明,精子活力参数随着重金属浓度的增加而降低。浓度为1000 mg L-1的重金属完全使精子失去运动能力。本研究表明,重金属对华氏金鸡的精子活力有不利影响,可能降低华氏金鸡在产卵场的受精和孵化率,从而严重威胁这一稀有本土物种的生存。
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Effects of Cd, Cu and Zn on sperm motility indicators of the Caspian lamprey, Caspiomyzon wagneri
The present study investigated the effects of Cd, Cu and Zn on the sperm motility of Caspiomyzon wagneri. The sperm of the specimens were exposed to 0.01, 0.1, 1, 10, 100 and 1000 mg L-1 of the heavy metals, and the duration of sperm motility and percentage of motile sperms were measured using a compound microscope and digital camera. Based on the results, sperm motility parameters decreased with increasing the concentrations of heavy metals. A concentration of 1000 mg L-1 of heavy metals stopped completely the motile sperms. The present study indicated that heavy metals have detrimental effects on sperm motility and possibly decrease the fertilization and hatching rates of C. wagneri in the spawning ground, and thus a serious threat to the survival of this rare and native species.
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来源期刊
CiteScore
2.30
自引率
11.10%
发文量
0
审稿时长
3 months
期刊介绍: 1- Living various species (contains animals and vegetal species) in various aquatic ecosystems. 2- Health and diseases of aquatic species. 3- Determining the stocks and specific time and location for catching and reliable exploitation for sustainable development. 4- Methods of propagation and culture of high value aquatic resources. 5- Aquatic stock assessment and the methods of restocking the high value species and suggestion for rate, areas and the time for releasing fish and other aquatic organisms fries. 6- Pollutant agents and their effects to the environments of aquatic species. 7- Feed and feeding in aquatic organisms. 8- Fish processing and producing new products. 9- The economic and social aspects of fisheries.
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