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Survival and shell quality of juvenile tiger shrimp, Penaeus monodon, exposed to a plant derived toxicant, saponin, were investigated. The 96 h LC50 was 132.07 mg l-1 of saponin. The juvenile tiger shrimp tested against 5, 10, 15 and 20% concentrations of the 96 h LC50 value of saponin for 3, 6, 9, 12, 15 and 18 days recorded shell softening ranging from 3.33 to 60% of the individuals. The percentage...
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