The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss)
Clinoptilolite efficiency on absorption of ammonia in rainbow trout was studied. The fish specimens weighted 9.5-21g and were exposed to four different concentrations of total ammonia as N-NH4 including: 10, 15, 20, and .25mg/l. A group of 13 fish was considered as control. Lethal concentration was determined after 24 hours. Under stable temperature and pH conditions (T= 16±1 C, pH= 7.7±1), the lethal concentration of total N-NH4 was 25mg/l (as ionized N-NH3=0.44mg/l based on temperature and pH). In lethal concentrations of ammonia, different amounts of zeolite (2, 5, 10, 13 and 15g/l) were used. Application of 15g/l of the zeolite prevented mortalities in the fish. A significant difference was found in reduction of total ammonia and total hardness through application of zeolite after 24 hours (P<0.01). The maximum mortalities occurred in early time of experiment. The histopathological lesions of gill, kidney and liver were studied.
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Format: | Journal Contribution biblioteca |
Language: | English |
Published: |
2011
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Subjects: | Zeolite, Clinoptilolite, Lethal Concentration, Oncorhynchus mykiss, Ammonia, Water quality, Water refining, Tissue lesions, Fish, |
Online Access: | http://hdl.handle.net/1834/10549 |
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dig-aquadocs-1834-105492021-05-19T06:47:31Z The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) Farhangi, M. Hajimoradloo, A.M. Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish Clinoptilolite efficiency on absorption of ammonia in rainbow trout was studied. The fish specimens weighted 9.5-21g and were exposed to four different concentrations of total ammonia as N-NH4 including: 10, 15, 20, and .25mg/l. A group of 13 fish was considered as control. Lethal concentration was determined after 24 hours. Under stable temperature and pH conditions (T= 16±1 C, pH= 7.7±1), the lethal concentration of total N-NH4 was 25mg/l (as ionized N-NH3=0.44mg/l based on temperature and pH). In lethal concentrations of ammonia, different amounts of zeolite (2, 5, 10, 13 and 15g/l) were used. Application of 15g/l of the zeolite prevented mortalities in the fish. A significant difference was found in reduction of total ammonia and total hardness through application of zeolite after 24 hours (P<0.01). The maximum mortalities occurred in early time of experiment. The histopathological lesions of gill, kidney and liver were studied. Published 2017-11-27T18:16:44Z 2017-11-27T18:16:44Z 2011 Journal Contribution Refereed 1026-1354 http://hdl.handle.net/1834/10549 en pp.101-110 Iran |
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Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish |
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Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish Farhangi, M. Hajimoradloo, A.M. The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
description |
Clinoptilolite efficiency on absorption of ammonia in rainbow trout was studied. The fish
specimens weighted 9.5-21g and were exposed to four different concentrations of total
ammonia as N-NH4 including: 10, 15, 20, and .25mg/l. A group of 13 fish was considered as
control. Lethal concentration was determined after 24 hours. Under stable temperature and pH
conditions (T= 16±1 C, pH= 7.7±1), the lethal concentration of total N-NH4 was 25mg/l (as
ionized N-NH3=0.44mg/l based on temperature and pH). In lethal concentrations of ammonia, different amounts of zeolite (2, 5, 10, 13 and 15g/l) were used. Application of 15g/l of the
zeolite prevented mortalities in the fish. A significant difference was found in reduction of
total ammonia and total hardness through application of zeolite after 24 hours (P<0.01). The
maximum mortalities occurred in early time of experiment. The histopathological lesions of gill, kidney and liver were studied. |
format |
Journal Contribution |
topic_facet |
Zeolite Clinoptilolite Lethal Concentration Oncorhynchus mykiss Ammonia Water quality Water refining Tissue lesions Fish |
author |
Farhangi, M. Hajimoradloo, A.M. |
author_facet |
Farhangi, M. Hajimoradloo, A.M. |
author_sort |
Farhangi, M. |
title |
The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
title_short |
The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
title_full |
The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
title_fullStr |
The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
title_full_unstemmed |
The effect of zeolite (Clinoptilolite) in removing ammonia lethal concentration in Rainbow Trout (Oncorhynchus mykiss) |
title_sort |
effect of zeolite (clinoptilolite) in removing ammonia lethal concentration in rainbow trout (oncorhynchus mykiss) |
publishDate |
2011 |
url |
http://hdl.handle.net/1834/10549 |
work_keys_str_mv |
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