Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings
To determine the aeration regime and the resultant dissolved oxygen input that imposes the least physiological stress on homeostatic mechanisms of C. gariepinus fingerlings, were culture in the laboratory under 24 hours of continuous aeration and inputing a mean of 8.2 mg/l of 02; 12 hours of aeration (mean of 4.6mgO/l2); and zero-aeration (mean of 1.2 mgO/l2)' Survival rate, growth rate and mean weight gain per day were highest in the 4.6 mgO/l2 culture whereas, the other two cultures were characterized by higher mortality rates and insignificant growth rates. The haematological profile analyzed showed varying degrees of changes in the blood parameters of the fish cultured under varying levels of aeration and their inputed dissolved oxygen levels.
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Format: | conference_item biblioteca |
Language: | English |
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Fisheries Society of Nigeria
2007
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Subjects: | Aquaculture, Clarias gariepinus, Nigeria, freshwater environment, Aeration, Fish physiology, Biological stress, Haematology, |
Online Access: | http://hdl.handle.net/1834/37762 |
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dig-aquadocs-1834-377622021-07-12T02:22:18Z Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings Odunze, F.C. Lamai, S.L. Oladimeji, A.A. Aquaculture Clarias gariepinus Nigeria freshwater environment Aeration Fish physiology Biological stress Haematology To determine the aeration regime and the resultant dissolved oxygen input that imposes the least physiological stress on homeostatic mechanisms of C. gariepinus fingerlings, were culture in the laboratory under 24 hours of continuous aeration and inputing a mean of 8.2 mg/l of 02; 12 hours of aeration (mean of 4.6mgO/l2); and zero-aeration (mean of 1.2 mgO/l2)' Survival rate, growth rate and mean weight gain per day were highest in the 4.6 mgO/l2 culture whereas, the other two cultures were characterized by higher mortality rates and insignificant growth rates. The haematological profile analyzed showed varying degrees of changes in the blood parameters of the fish cultured under varying levels of aeration and their inputed dissolved oxygen levels. Includes: 3 tables.;19 refs. 2021-06-24T18:07:45Z 2021-06-24T18:07:45Z 2007 conference_item TRUE http://hdl.handle.net/1834/37762 en http://www.fison.org.ng/ application/pdf application/pdf 233 - 239 Fisheries Society of Nigeria Lagos http://aquaticcommons.org/id/eprint/23023 19325 2018-03-05 20:32:22 23023 Fisheries Society of Nigeria |
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Aquaculture Clarias gariepinus Nigeria freshwater environment Aeration Fish physiology Biological stress Haematology Aquaculture Clarias gariepinus Nigeria freshwater environment Aeration Fish physiology Biological stress Haematology Odunze, F.C. Lamai, S.L. Oladimeji, A.A. Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
description |
To determine the aeration regime and the resultant dissolved oxygen input that imposes the least physiological stress on homeostatic mechanisms of C. gariepinus fingerlings, were culture in the laboratory under 24 hours of continuous aeration and inputing a mean of 8.2 mg/l of 02; 12 hours of aeration (mean of 4.6mgO/l2); and zero-aeration (mean of 1.2 mgO/l2)' Survival rate, growth rate and mean weight gain per day were highest in the 4.6 mgO/l2 culture whereas, the other two cultures were characterized by higher mortality rates and insignificant growth rates. The haematological profile analyzed showed varying degrees of changes in the blood parameters of the fish cultured under varying levels of aeration and their inputed dissolved oxygen levels. |
format |
conference_item |
topic_facet |
Aquaculture Clarias gariepinus Nigeria freshwater environment Aeration Fish physiology Biological stress Haematology |
author |
Odunze, F.C. Lamai, S.L. Oladimeji, A.A. |
author_facet |
Odunze, F.C. Lamai, S.L. Oladimeji, A.A. |
author_sort |
Odunze, F.C. |
title |
Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
title_short |
Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
title_full |
Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
title_fullStr |
Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
title_full_unstemmed |
Preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured Clarias gariepinus fingerlings |
title_sort |
preliminary studies on the effects of varying levels of aeration on the growth and physiological processes of cultured clarias gariepinus fingerlings |
publisher |
Fisheries Society of Nigeria |
publishDate |
2007 |
url |
http://hdl.handle.net/1834/37762 |
work_keys_str_mv |
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