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Effect of copper toxicity on the hemolymph factors of the Indian edible oyster, Crassostrea madrasensis (Preston)

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Title Effect of copper toxicity on the hemolymph factors of the Indian edible oyster, Crassostrea madrasensis (Preston)
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Creator Ittoop,Gijo
George,K C
George,Rani Mary
Sobhana,K S
Sanil,N K
Nisha,P C
 
Subject Copper toxicity
Crassostrea madrasensis
Hemolymph factors
Indian edible oyster
 
Description Not Available
The Indian edible oyster, Crassostrea madrasensis collected from the backwaters of Kochi, India were exposed to three sub-lethal concentrations of copper viz. 0.1, 0.5 and 1 ppm at a salinity of 12 ppt. Modulations in different heamolymph factors such as total hemocyte count, differential hemocyte count, phagocytosis, serum protein, serum acid phosphatase, serum phenol oxidase and serum lysozyme were studied. It was found that, the lowest concentration of copper had a stimulating effect on all the parameters studied. However, at higher concentrations except serum lysozyme all the hemolymph parameters studied showed significant reduction. Although copper could act as an immunostimulant at lower doses, it significantly reduced the disease resistance of the species at concentrations above 0.5 ppm in mesohaline waters.
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Date 2021-09-15T09:26:02Z
2021-09-15T09:26:02Z
2009
 
Type Article
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/62411
 
Language English
 
Relation Not Available
 
Publisher CMFRI/ICAR