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Effect of ammonia and nitrite on vigour, survival rate, moulting rate of the blue swimming crab Portunus pelagicus zoea Liao, Y.Y.; Wang, H.H.; Lin, Z.G. (2011). Effect of ammonia and nitrite on vigour, survival rate, moulting rate of the blue swimming crab Portunus pelagicus zoea. Aquacult. Int. 19(2): 339-350. https://dx.doi.org/10.1007/s10499-010-9398-4 In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X Ook verschenen in: Le Vay, L.; Zeng, C.; Sorgeloos, P. (Ed.) (2011). International Symposium on aquaculture, biology and management of commercially important crabs. Aquaculture International, 19(2). Springer: Dordrecht. 215-394 pp., meer

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Beschikbaar in	Auteurs
VLIZ: Non-open access 354746 [ aanvragen ]

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Trefwoorden

Chemical compounds > Nitrogen compounds > Ammonia Chemical compounds > Nitrogen compounds > Nitrites Developmental stages > Larvae > Invertebrate larvae > Crustacean larvae > Zoeae Properties > Biological properties > Toxicity Portunus pelagicus (Linnaeus, 1758) [WoRMS] Brak water

Author keywords

Portunus pelagicus; Zoea; Nitrite; Ammonia; Acute toxicity

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Auteurs		Top
Liao, Y.Y. Wang, H.H. Lin, Z.G.

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Abstract

The effects of ammonia and nitrite on vigour, survival rate, moulting rate of zoea of blue swimming crab, Portunus pelagicus, were studied. A total of five nitrite-N treatments (26.67, 53.34, 106.68, 213.36, 426.72 mg/l) and a control (no nitrite-N added) were set up for the acute nitrite-N toxicity experiment; a total of five ammonia-N treatments (8.43, 16.86, 33.72, 67.44, 134.88 mg/l) and a control (no ammonia-N added) were set up for the acute ammonia-N toxicity experiment. The results showed that the vigour, survival rate and moulting rate of zoea of the blue swimming crabs exposed to over 53.34 mg/l were significantly different (P < 0.05) from the control group. The zoea LC(50) values (mg/l) of nitrite-N were 179.47, 76.56, 66.70, 37.49, 25.01, 25.35, 25.34 mg/l for 24, 36, 48, 60, 72, 84, 96 h, respectively. The vigour, survival rate and moulting rate of zoea of the blue swimming crabs exposed to over 16.86 mg/l were significantly different (P < 0.05) from the control group. The zoea LC(50) values (mg/l) of ammonia-N were 51.04, 39.62, 38.72, 24.43, 16.90, 13.42, 11.16 mg/l for 24, 36, 48, 60, 72, 84, 96 h, respectively. The zoeae are highly sensitive to ammonia and nitrite, and the toxicity of ammonia and nitrite on Portunus pelagicus decrease with development of this crab.

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