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Biological monitoring of heavy metals in aquatic processing units used for swine manure treatment and fish feed production
Salomoni, C.; Francioso, O.; Simoni, A.; Caputo, A. (1993). Biological monitoring of heavy metals in aquatic processing units used for swine manure treatment and fish feed production, in: Barnabé, G. et al. (Ed.) Production, environment and quality: Proceedings of the International Conference Bordeaux Aquaculture '92, Bordeaux, France, March 25-27, 1992. EAS Special Publication, 18: pp. 79-85
In: Barnabé, G.; Kestemont, P. (Ed.) (1993). Production, environment and quality: Proceedings of the International Conference Bordeaux Aquaculture '92, Bordeaux, France, March 25-27, 1992. EAS Special Publication, 18. European Aquaculture Society: Gent. 587 pp., more
In: EAS Special Publication. European Aquaculture Society, more

Available in  Authors 
    VLIZ: Proceedings [14669]
Document type: Conference paper

Keyword
    Marine

Authors  Top 
  • Salomoni, C.
  • Francioso, O.
  • Simoni, A.
  • Caputo, A.

Abstract
    An aquacultural demonstration plant for swine manure treatment and fish feed production based on a series of three Aquatic Processing Units was biomonitored for the presence of heavy metals at different levels of the trophic webs. Concentrations of potentially toxic elements (Cu, Zn, Mn, Co, Ni, Cr, Cd, Pb) were measured by atomic absorption spectrophotometry in incoming swine manure, albazod, zooplankton, aquatic weeds, sediment, fish (muscle) and effluent. The highest concentration of Cu, Zn and Mn was found in aquatic weeds, whereas that for Co, Ni and Cr in the sediment. The lowest concentration of all heavy metals within aquatic organisms was found for fish. In the effluent heavy metals were at levels comparable to those in water used for pig drinking. The results indicated that swine manure can be used for fish feed production without potential risk for the fish and the environment.

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