NDLI: Cadmium toxicity to embryonic-larval development and survival in red sea bream Pagrus major.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Cao, Liang Huang, Wei Shan, Xiujuan Xiao, Zhizhong Wang, Qiyao Dou, Shuozeng
Spatial Coverage	China
Description	Author Affiliation: Cao L ( Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, PR China.)
Abstract	At 18 degrees C and 33 psu, 24 and 48 h LC(50) values of cadmium (Cd) for red sea bream Pagrus major embryos were 9.8 and 6.6 mgl(-1), respectively, while 24, 48, 72, and 96 h LC(50) values for larvae were 18.9, 16.2, 8.0, and 5.6 mgl(-1), respectively, indicating that embryos were more sensitive to Cd toxicity than larvae. Cd concentrations at > or =0.8 mgl(-1) led to low hatchability (0-90% in > or =0.8 mgl(-1) solutions vs. 97-100% in lower ones), delay in time to hatch, high mortality (38-100% vs. 1-10%), morphological abnormality (42-100% vs. 1-10%), reduced length (3.55-3.60 vs. 3.71-3.72 mm) in the embryos and larvae. They were Cd concentration dependent and potential biological significant endpoints for assessing the risk of Cd to aquatic organisms. Heart beat and yolk absorption of the larvae were significantly inhibited at some high concentrations but they were not as sensitive as other endpoints to Cd exposure.
File Format	HTM / HTML
ISSN	01476513
Issue Number	7
Volume Number	72
e-ISSN	10902414
Journal	Ecotoxicology and Environmental Safety
Language	English
Publisher	Elsevier
Publisher Date	2009-10-01
Publisher Place	Netherlands
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Environmental Sciences Cadmium Chloride Toxicity Embryo, Nonmammalian Drug Effects Embryonic Development Sea Bream Growth & Development Water Pollutants, Chemical Animals China Environmental Monitoring Female Lethal Dose 50 Male Embryology Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Pollution Health, Toxicology and Mutagenesis Public Health, Environmental and Occupational Health

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