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The effects of commercial bacterial products on macrobenthos community in shrimp culture ponds Shishehchian, F.; Yusoff, F.M.; Shariff, M. (2001). The effects of commercial bacterial products on macrobenthos community in shrimp culture ponds. Aquacult. Int. 9(5): 429-436 In: Aquaculture International. Springer: London. ISSN 0967-6120; e-ISSN 1573-143X

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Beschikbaar in	Auteurs
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Trefwoorden

Aquaculture techniques > Pond culture Aquatic communities > Benthos Cultures > Shellfish culture > Crustacean culture > Shrimp culture Invertebrates > Arthropods > Crustacea > Malacostraca > Decapoda > Shellfish > Shrimps Microorganisms > Bacteria Products > Bacterial products Shrimps Penaeus monodon Fabricius, 1798 [WoRMS] Marien/Kust

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Auteurs		Top
Shishehchian, F. Yusoff, F.M. Shariff, M.

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Abstract

This study was conducted to assess the effects of commercial bacterial products on the composition and abundance of macrobenthos in commercial tiger prawn Penaeus monodon culture ponds. Nine brackishwater ponds, with an area of 0.5 ha each were used for this study. Two commercial bacterial products (T1 and T2) were applied in three ponds each. Another three ponds served as the control. Sediment samples from all ponds were analyzed for the nitrogen, phosphorus and organic matter contents, and macrobenthos. Total nitrogen and total carbon concentrations in the sediments of T1 were significantly lower (p < 0.05) than T2. In addition, total nitrogen in T1 pond sediment was significantly lower (p < 0.05) than the control towards the end of the culture period. There were no significant differences in total phosphorus amongst treatments. The study revealed the presence of four major groups of macrobenthos in all treatments; gastropods, bivalve, polychaetes and insect larvae. The total density of macrobenthos in all ponds, except gastropods, showed a decreasing trend with the progress in culture indicating either predation by shrimp or deterioration of pond bottom. T1 had significantly (p < 0.05) higher density of polychaetes compared to the T2 and the control.

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