Effect of cadmium and zinc in different salinity levels on survival and osmoregulation of white shrimp (Litopenaeus vannamei Boone)

被引:20
作者
Ardiansyah, Syahrul [1 ]
Irawan, Bambang [1 ]
Soegianto, Agoes [1 ]
机构
[1] Airlangga Univ, Fac Sci & Technol, Dept Biol, Jalan Mulyorejo 60115, Surabaya, Indonesia
关键词
toxicity; cadmium; zinc; salinity; shrimp; Litopenaeus vannamei; osmoregulation; PENAEUS-JAPONICUS CRUSTACEA; PALAEMON-ELEGANS CRUSTACEA; CRAB CARCINUS-MAENAS; ACUTE TOXICITY; OXYGEN-CONSUMPTION; RESPIRATORY IMPAIRMENT; DEVELOPMENTAL-STAGES; CHEMICAL SPECIATION; CALLINECTES-SAPIDUS; BLUE-CRAB;
D O I
10.1080/10236244.2012.734056
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
This study compared the acute toxicity of Cd and Zn on juvenile Litopenaeus vannamei when administered at different salinities. It also evaluated the effect of sublethal Cd and Zn concentrations on the osmoregulatory capacity (OC) of the juvenile shrimp. Tolerance to Cd and Zn increased progressively with increasing salinity. Cadmium was more toxic than zinc. The 96 h LC50's of cadmium to juvenile L. vannamei were 450, 690, and 1020 mu g CdL-1 at 5, 15, and 27 ppt salinity, respectively. The 96 h LC50's of zinc were 3780, 5520, and 8910 mu g ZnL-1 at 5, 15, and 27 ppt, respectively. Exposure to sublethal concentration of Cd and Zn reduced the hyper-OC of exposed shrimp at 5 and 15 ppt salinity, and increased the hypo-OC of exposed animals at 27 ppt salinity.
引用
收藏
页码:291 / 302
页数:12
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