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Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system

The objective of this study was to observe the effect of African catfish, Clarias gariepinus density in stagnant and running water systems on the waste production, water quality and mortality. Nine months old male catfish having average weight of 50.00g were placed in running and stagnant water syst...

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Main Authors: Junaidi, M.S., Hashida, N.H.
Format: Article
Published: Agricultural Research Communication Centre 2010
Subjects:
Q Science (General)
Online Access:http://eprints.um.edu.my/12437/
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spelling my.um.eprints.124372019-03-20T07:27:37Z http://eprints.um.edu.my/12437/ Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system Junaidi, M.S. Hashida, N.H. Q Science (General) The objective of this study was to observe the effect of African catfish, Clarias gariepinus density in stagnant and running water systems on the waste production, water quality and mortality. Nine months old male catfish having average weight of 50.00g were placed in running and stagnant water systems with density of 35 and 70, respectively. Water samples were collected twice daily and analyzed for ammonia nitrogen, phosphate and nitrate contents. The samples were analyzed with HACH spectrophotometers DR2800. Water samples temperature, pH and mortality rate were also recorded for each sampling. The results showed significant difference with higher value in stagnant than running water system for ammonia nitrogen (25.95 +/- 3.38 mg/L), phosphate (14.14 +/- 1.37 mg/L) and nitrate (2.28 +/- 0.25 mg/L) with density of 35 catfish. Similar result was obtained for density of 70 catfish which was significantly higher for stagnant than running water system. This study allow to conclude that African catfish were more suitable to be reared in running than stagnant water system. This is due to the ability of the running water system to maintain water quality in terms of waste production which was harmful to the catfish. Agricultural Research Communication Centre 2010 Article PeerReviewed Junaidi, M.S. and Hashida, N.H. (2010) Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system. Indian Journal of Animal Research, 44 (3). pp. 183-187. ISSN 0367-6722
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
spellingShingle Q Science (General)
Junaidi, M.S.
Hashida, N.H.
Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
description The objective of this study was to observe the effect of African catfish, Clarias gariepinus density in stagnant and running water systems on the waste production, water quality and mortality. Nine months old male catfish having average weight of 50.00g were placed in running and stagnant water systems with density of 35 and 70, respectively. Water samples were collected twice daily and analyzed for ammonia nitrogen, phosphate and nitrate contents. The samples were analyzed with HACH spectrophotometers DR2800. Water samples temperature, pH and mortality rate were also recorded for each sampling. The results showed significant difference with higher value in stagnant than running water system for ammonia nitrogen (25.95 +/- 3.38 mg/L), phosphate (14.14 +/- 1.37 mg/L) and nitrate (2.28 +/- 0.25 mg/L) with density of 35 catfish. Similar result was obtained for density of 70 catfish which was significantly higher for stagnant than running water system. This study allow to conclude that African catfish were more suitable to be reared in running than stagnant water system. This is due to the ability of the running water system to maintain water quality in terms of waste production which was harmful to the catfish.
format Article
author Junaidi, M.S.
Hashida, N.H.
author_facet Junaidi, M.S.
Hashida, N.H.
author_sort Junaidi, M.S.
title Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
title_short Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
title_full Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
title_fullStr Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
title_full_unstemmed Impact of catfish density on the waste production, water quality and mortality : Comparison between running and stagnant water system
title_sort impact of catfish density on the waste production, water quality and mortality : comparison between running and stagnant water system
publisher Agricultural Research Communication Centre
publishDate 2010
url http://eprints.um.edu.my/12437/
_version_ 1643689297929306112
score 13.251813

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