Respiratory responses and blood sugar level of the crab, Barytelphusa cunicularis (Westwood), exposed to mercury, copper and zinc.
Indian J Exp Biol
;
1992 Apr; 30(4): 308-12
Article
in English
| IMSEAR
| ID: sea-56469
ABSTRACT
Barytelphusa cunicularis (Westwood), a freshwater crab was exposed to mercuric chloride, copper sulphate and zinc sulphate from 0 to 12 hr and the oxygen consumption of the animal was measured in order to study the stress caused by these heavy metals. Normal oxygen consumption was affected by the three heavy metals. Similarly, crabs exposed to sublethal concentrations of the same pollutants for 24, 48, 72 and 96 hr showed an elevation in the blood sugar level with a maximum increase at 48 hr. The results indicate a switch towards glycolysis in order to overcome the anaerobic stress caused by the heavy metals.
Full text:
Available
Index:
IMSEAR (South-East Asia)
Main subject:
Respiration
/
Zinc
/
Blood Glucose
/
Copper
/
Brachyura
/
Dose-Response Relationship, Drug
/
Animals
/
Mercury
Language:
English
Journal:
Indian J Exp Biol
Year:
1992
Type:
Article
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