...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Marine and Freshwater Behaviour and Physiology >Effect of cadmium on survival, osmoregulation and gill structure of the Sunda prawn, Macrobrachium sintangense (de Man), at different salinities
【24h】

Effect of cadmium on survival, osmoregulation and gill structure of the Sunda prawn, Macrobrachium sintangense (de Man), at different salinities

机译：镉对不同盐度Sun虾对虾存活，渗透调节和g结构的影响

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The prawn Macrobrachium sintangense is likely to be subjected to occasional exposure to combined metal and saline stressors in its natural environment. This research evaluated the acute toxicity (96 h LC50) of cadmium (Cd) on the prawn M. sintangense, with respect to the osmoregulatory capacity (OC) of prawns and to document histological changes in the gills after exposure to sublethal Cd concentrations at different salinities. The 96 h LC50 of Cd to M. sintangense decreased with increasing salinity. The 96 h LC50 values were 89.12 (72.53-109.50), 681.26 (554.20-837.46) and 825.37 (676.99-1006.27) mu g CdL-1 at 0, 10 and 20 ppt, respectively. The OC of prawns exposed to 30 mu g CdL-1 at 0 ppt and to 300 mu g CdL-1 at10 ppt decreased significantly compared with that of control prawns exposed to 0 and 10 ppt respectively. Swelling, hyperplasia and necrosis of gill lamellae resulting in the loss of marginal canals were observed in the gills of prawns exposed to 30 mu g CdL-1 at 0 ppt and to 300 mu g CdL-1 at 10 ppt for 7 days.
机译：对虾Macrobrachium sintangense在其自然环境中可能偶尔会接触到金属和盐分胁迫源。这项研究评估了镉（Cd）对中华绒螯虾的急性毒性（96 h LC50），关于虾的渗透调节能力（OC），并记录了暴露于不同致死浓度的Cd浓度后after的组织学变化。盐度。随着盐度的增加，Cd对中华绒螯蟹的96 h LC50降低。 96 h LC50值分别为0、10和20 ppt时的CdL-1，分别为89.12（72.53-109.50），681.26（554.20-837.46）和825.37（676.99-1006.27）μg CdL-1。与分别暴露于0和10 ppt的对虾相比，暴露于0 ppt的30μg CdL-1和暴露于10 ppt的300μg CdL-1的虾的OC显着降低。在0 ppt暴露于30μg CdL-1和10 ppt暴露于300μg CdL-1 7天的大虾observed中观察到resulting片的肿胀，增生和坏死，导致边缘管丢失。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号