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Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus

Barbonymus schwanenfeldii is a native species and Oreochromis niloticus is an exotic species in Sarawak. In order to determine the effects of temperature and pH on growth and mortality of fry and juvenile of Barbonymus schwanenfeldii and Oreochromis niloticus, the effect of water temperatures (24...

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Main Author: Nik Nurul Kamila, Binti Abu Rashid
Format: E-LPTA
Language:English
English
Published: Universiti Malaysia Sarawak, (UNIMAS) 2014
Subjects:
SH Aquaculture. Fisheries. Angling
Online Access:http://ir.unimas.my/id/eprint/8260/1/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus%2824pgs%29.pdf
http://ir.unimas.my/id/eprint/8260/2/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus.pdf
http://ir.unimas.my/id/eprint/8260/
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spelling my.unimas.ir.82602015-09-14T00:42:40Z http://ir.unimas.my/id/eprint/8260/ Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus Nik Nurul Kamila, Binti Abu Rashid SH Aquaculture. Fisheries. Angling Barbonymus schwanenfeldii is a native species and Oreochromis niloticus is an exotic species in Sarawak. In order to determine the effects of temperature and pH on growth and mortality of fry and juvenile of Barbonymus schwanenfeldii and Oreochromis niloticus, the effect of water temperatures (24 and 30 ˚C) and pH (7.0, 6.5, 5.5, 4.5 and 3.3) were tested in two separate experiments. When juvenile was tested in different pH, the survival rate of Oreochromis niloticus was higher than Barbonymus schwanenfeldii at pH 6.5, 5.5 and 4.5. The FCR of both species were not significant different at pH 7.0, 6.5 and 5.5. However, at pH 4.5 Oreochromis niloticus showed higher FCR than Barbonymus schwanenfeldii. When fry was tested in different pH, there was no significant difference between survival rates of the two species. The FCR of Oreochromis niloticus was lower than Barbonymus schwanenfeldii at pH 7.0, 6.5 and 5.5. The survival rates of both species showed no significant different at the two different temperatures. The FCR of Oreochromis niloticus was lower than Barbonymus schwanenfeldii in both temperatures. These results showed that Oreochromis niloticus is more tolerant to extreme pH compared to Barbonymus schwanenfeldii. Juvenile stage of both species also is hardier compared to fry stage. The optimum pH for both species is at pH 7.0. For temperature, results showed that both species prefer 24 °C than 30 °C and Oreochromis niloticus is more tolerant to temperature than Barbonymus schwanenfeldii. Universiti Malaysia Sarawak, (UNIMAS) 2014 E-LPTA NonPeerReviewed text en http://ir.unimas.my/id/eprint/8260/1/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus%2824pgs%29.pdf text en http://ir.unimas.my/id/eprint/8260/2/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus.pdf Nik Nurul Kamila, Binti Abu Rashid (2014) Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus. [E-LPTA] (Unpublished)
institution Universiti Malaysia Sarawak
building Centre for Academic Information Services (CAIS)
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaysia Sarawak
content_source UNIMAS Institutional Repository
url_provider http://ir.unimas.my/
language English
English
topic SH Aquaculture. Fisheries. Angling
spellingShingle SH Aquaculture. Fisheries. Angling
Nik Nurul Kamila, Binti Abu Rashid
Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
description Barbonymus schwanenfeldii is a native species and Oreochromis niloticus is an exotic species in Sarawak. In order to determine the effects of temperature and pH on growth and mortality of fry and juvenile of Barbonymus schwanenfeldii and Oreochromis niloticus, the effect of water temperatures (24 and 30 ˚C) and pH (7.0, 6.5, 5.5, 4.5 and 3.3) were tested in two separate experiments. When juvenile was tested in different pH, the survival rate of Oreochromis niloticus was higher than Barbonymus schwanenfeldii at pH 6.5, 5.5 and 4.5. The FCR of both species were not significant different at pH 7.0, 6.5 and 5.5. However, at pH 4.5 Oreochromis niloticus showed higher FCR than Barbonymus schwanenfeldii. When fry was tested in different pH, there was no significant difference between survival rates of the two species. The FCR of Oreochromis niloticus was lower than Barbonymus schwanenfeldii at pH 7.0, 6.5 and 5.5. The survival rates of both species showed no significant different at the two different temperatures. The FCR of Oreochromis niloticus was lower than Barbonymus schwanenfeldii in both temperatures. These results showed that Oreochromis niloticus is more tolerant to extreme pH compared to Barbonymus schwanenfeldii. Juvenile stage of both species also is hardier compared to fry stage. The optimum pH for both species is at pH 7.0. For temperature, results showed that both species prefer 24 °C than 30 °C and Oreochromis niloticus is more tolerant to temperature than Barbonymus schwanenfeldii.
format E-LPTA
author Nik Nurul Kamila, Binti Abu Rashid
author_facet Nik Nurul Kamila, Binti Abu Rashid
author_sort Nik Nurul Kamila, Binti Abu Rashid
title Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
title_short Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
title_full Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
title_fullStr Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
title_full_unstemmed Effects of Different Values of pH and Temperature on Survival and Growth of Fry and Juvenile Barbonymus schwanenfeldii and Oreochromis niloticus
title_sort effects of different values of ph and temperature on survival and growth of fry and juvenile barbonymus schwanenfeldii and oreochromis niloticus
publisher Universiti Malaysia Sarawak, (UNIMAS)
publishDate 2014
url http://ir.unimas.my/id/eprint/8260/1/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus%2824pgs%29.pdf
http://ir.unimas.my/id/eprint/8260/2/Effect%20of%20Different%20Values%20of%20pH%20and%20Temperature%20on%20Survival%20and%20Growth%20of%20Fry%20and%20Juvenile%20Barbonymus%20Schwanenfeldii%20and%20Oreochromis%20Niloticus.pdf
http://ir.unimas.my/id/eprint/8260/
_version_ 1644510492851437568
score 13.244414

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