Article Sidebar
Published:
Aug 8, 2016Keywords:
Article Details
Submission of a paper for publication implies the transfer of the copyright from the author(s) to the publisher upon acceptance. International Formulae Group is therefore the copyright holder after publication of an article in International Journal of Biological and Chemical Sciences, and published articles should not be used for commercial purpose without the written consent of the Editor-in-Chief. They are licensed under a Creative Commons Attribution-Non Commercial-Share Alike 4.0 International License.
Main Article Content
Production of freshwater benthic macroinvertebrates from pig dung: fertilization effect and optimal dose research
Abstract
Different pig dung doses were used to fertilize medium production of freshwater benthic macroinvertebrates in order to test the fertilization effect and determine the optimal dose. In fact, the experiment was carried out in triplicate, for 42 days in plastic buckets. These buckets were grouped in seven treatments (T1, T2, T3, T4, T5, T6, and T7) which were fertilized (respective doses of 5%, 10%, 15%, 25%, 50%, 75% and 100% with pig dung in relation to the total substrate volume) and a control (T0) which was not fertilized (0% of pig dung). Each bucket was seeded in benthic macroinvertebrates with an initial density of 9 individual/dm3 (D0). The results revealed that the utilization of pig dung improved the water chemical properties in the production medium as well as the macroinvertebrates density (p < 0.05). The optimal production of the latter was obtained with the dose of pig dung applied to treatment T5 (50%), that is 150 g of dry dejections per dm3 of substrate (150 g/dm3) with a total average density of 742 ± 569 individual/dm3. The treatment T5 (50%) constitutes then the dry pig dung optimal dose to be recommended for benthic macroinvertebrates production.
© 2016 International Formulae Group. All rights reserved.
Keywords: Fertilization, macroinvertebrates, optimal dose, pig dung, production
