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The World of Protozoa, Rotifera, Nematoda and Oligochaeta

Lampito mauritii

[ref. ID; 6008]

Test system

Strains

Toxicants

Tannery effluent (including chromium)

Test design

Continuous flow system apparatus.

Measurements

Respiration rate using Winkler's method.

[ref. ID; 6870]

Test system

Acute toxicity

Strains

From residential localities in the Visakhapatnam. Healthy and nearly equal sized worms weighing between 1.0 to 1.5 g.

Toxicants

Monocrotophos, dichlorvos.

Test design

10 worms were used for each concentration with water as well as moist vermiculite. Exposure period 24, 48, 72, and 96 hr.

Measurements

Mortality.

Evaluations

LC50.