Effect of nitrite, ammonia, and temperature on P. monodon larvae
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P. monodon larvae were studied for the effects of temperature, ammonia, and nitrite on survival. Toxicity levels of nitrite were found to vary with larval stage. Larvae could tolerate ammonia up to about 10 ppm, with the effect more clearly shown by the zoea stage. Survival and growth were not significantly affected by temperature, although moulting was enhanced at temperatures higher than 29°C. Larvae of P. monodon have lower tolerance toward nitrite and ammonia compared to postlarvae. Although high survival was obtained at low levels of nitrite and ammonia, it is still necessary to know their effects on metabolism, in order to examine possible biochemical parameters for diagnosing sublethal toxicity or stress.
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Suggested CitationCatedral, F. F., Gerochi, D. D., Quibuyen, A. T., & Casalmir, C. M. (1977). Effect of nitrite, ammonia, and temperature on P. monodon larvae.