期刊
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
卷 115, 期 -, 页码 33-39出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ecoenv.2015.02.009
关键词
Rockfish; Lead; Accumulation; Hematological parameter; Exposure
Juvenile rockfish (mean length 14.2 +/- 1.9 cm, and mean weight 573 +/- 5.2 g) were exposed for 4 weeks with the different levels of dietary lead (Pb2+) at 0, 30, 60, 120 and 240 mg/L. The exposure concentration and period of Pb have induced significant amount of it the specific tissues of rockfish. The highest Pb accumulation was observed in the kidney tissue by the dietary lead exposure. The growth rate and hepatosomatic index were considerably inhibited over 120 mg/kg. The hematological parameters such as red blood cell (RBC) counts, hematocrit (Ht) value, and hemoglobin (Hb) concentration were significantly decreased over 60 mg/kg Pb concentration. In the inorganic components, the values of calcium and magnesium in plasma were significantly decreased. The glucose and cholesterol values were notably increased, whereas total protein was decreased. The enzyme components, glutamic oxalate transaminase (GOT) and glutamic pyruvate transaminase (GPT), were significantly elevated by the dietary lead exposure, but no change was observed in alkaline phosphatase (ALP). (c) 2015 Elsevier Inc. All rights reserved.
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