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Culture techniques for Limnodrilus hoffmeisteri ( Annelida: Oligochaeta) | ||
| basrah journal of science | ||
| Article 1, Volume 23, Issue 1, 2005, Pages 121-129 PDF (0 K) | ||
| Author | ||
| Manal M. Akbar | ||
| Abstract | ||
| The oligochaeta Limnodrilus hoffmeisteri is one of the best and cheapest live food for fish> The worm grow fastest ( 8.0 mg in 50 days) on the substrate containing 75% cow dung and 25% fine sand< the culture system ( 100*100*75 cm) require continuous running water at the rate of 250 ml min-1 to maintain 3 mg O2 L-1 Addition of fresh cow dung ( 250 mg cm-2)one in 4 days is the optimum frequency> As the worm is phtophobic, so the best time for collection the worm from the substrate is before dawn. | ||
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