摘要
水体甲基汞（浓度10μg／L）染毒鲤鱼（秋片），一个月内汞处理鱼出现增重均6％，继续染毒2个月生长受到抑制。毒性实验结果表明：此剂量染毒一个月的鲤鱼血浆渗透压、血糖、和甲状腺激素T3含量与对照组鱼相比均未见显著差异。仅鳃丝线粒体Na+－K+－ATPasc活性在染毒2周时出现下降（P＜O．05）。染毒一个月时，汞染毒鱼的血浆某些离子浓度出现变化：血浆Na+明显降低（P＜0．01），血浆K+和Mg2+升高，PO和CI-下降值分别出现在21天和7天的染毒鲤鱼（P＜0．05）。病理组织切片观察：肝组织边缘个别细胞体积增大，细胞变圆形。
The Cyprinus carpio (six - month - old fingerling) were exposed to concentrations ofmethylmercury chloride containing 10μg/1 in water for one month. The increase of weight of treated fishwas about 6%. The growth was inhinbited continuousely to exposive for 2 months.The results showed that both the Plasma osmolality and the blood glucose did not change. Theactivity of Na - K - ATPase in gill filaments motochondia were inhibited by mereuly treated fish duringexposive for two weeks (P < 0.05). The change of plasma elecctrolyte concetrations of exposed fish wasapparent during one month. The plasma sodium significantly decreased(P < 0.01 ); the Plasma potassiumand magnesium increased;phmphate and chloride decreased duriug 3 weeks and 1 week, respectively(P< 0.05).The Pathophysiology of exposive fish was observed that the volume of a few liver cells at edge becamebiger than that of the control cells. the shape changed into circular.
出处
《水产学杂志》
CAS
1998年第2期8-12,共5页
Chinese Journal of Fisheries
关键词
甲基汞
鲤鱼
生长
生理生化指标
methylmercuric chloride Cyprinus carpio growth Physiological biochemiscal index
