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- Tabaro, S Rukera; Mutanga, O; Rugege, D; Micha, JC
- African journal of aquatic science 2012 v.37 no.2 pp. 165-174
- fish production, etc ; Oreochromis niloticus; ammonia; animal growth; biomass; correlation; dissolved oxygen; excreta; fish; fish culture; fish ponds; nitrogen; oxygen; phytoplankton; primary productivity; production technology; rabbits; water quality; Rwanda; Show all 19 Subjects
- ... Although previous studies have suggested that rabbit excreta can be used as high-quality manure for sustaining plankton production due to their gradual nutrient release, integrated rabbit–fish production systems are still not widely used. Between 2006 and 2010 optimal rabbit densities for sustainable integrated rabbit–Nile tilapia farming were investigated at the Rwasave Fish Farming and Research ...
- Aspé, E.; Roeckel, M.; Fernández, K.
- Aquacultural engineering 2012 v.49 pp. 1-9
- fish production, etc ; Pinus radiata; Salmo salar; aluminum; bark; biomass; carbon dioxide; cellulose; chronic diseases; dissolved oxygen; farm value; filters; filtration; fish culture; fish farms; freshwater; heavy metals; ions; iron; manganese; oxidation; pH; particle size; salmon; sawmills; toxicity; Chile; Norway; Show all 28 Subjects
- ... In Chile and Norway, countries with the highest salmon production in the world, salmons have developed chronic diseases due to toxicity problems from free metallic ions. Aluminum (Al) and iron (Fe) were found to be present in freshwaters used by the Chilean salmon industry. In this work, different alternatives for Al and Fe removal were compared to achieve the required standards in salmon culture. ...