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Effects of pH on survival, phosphorus concentration, adenylate energy charge and Na+-K+ ATPase activities of Penaeus chinensis Osbeck juveniles
Wang, W.-N.; Wang, A.-L.; Chen, L.; Liu, Y.; Sun, R.-Y. (2002). Effects of pH on survival, phosphorus concentration, adenylate energy charge and Na+-K+ ATPase activities of Penaeus chinensis Osbeck juveniles. Aquat. Toxicol. 60(1-2): 75-83
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X, more
Peer reviewed article  

Available in Authors 
    VLIZ: Open Repository 278858 [ OMA ]

Keywords
    P; Phosphorus; Potassium; Sodium; Penaeus chinensis (Osbeck, 1765) [WoRMS]; Marine

Authors  Top 
  • Wang, W.-N.
  • Wang, A.-L.
  • Chen, L.
  • Liu, Y., more
  • Sun, R.-Y.

Abstract
    Penaeus chinensis (Osbeck) juveniles were maintained for 14 days at pH 6.0, 7.0, 7.6, 8.0 and 8.5, respectively. The effects of pH on survival, phosphorus concentration, adenylate energy charge (AEC) and Na+-K+ adenosine triphosphatase (ATPase) activities of prawns were investigated. The results showed that survival of P. chinensis was impaired at low and high pH levels. The total phosphate level and AEC in abdominal muscle increased with pH level in range of 6.0-7.6 reaching the maximum values at pH 7.6. Thereafter, the levels declined with increasing pH level in range of 7.6-8.5. The change of Na+-K+ ATPase activity in gill of prawn was similar to that of total phosphorus content and AEC in muscle of prawn at different pH. The effect of pH on Na+-K+ ATPase activity in the muscle was lower than on that in gill.

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