Effects of Water Temperature on Sex Differentiation and Growth Parameters of the Mozambique Tilapia (Oreochromis mossambicus, Peters, 1852)
Abstract
In this study, the effects of water temperature on growth, survival rate, gonad development and sex ratios of Mozambique Tilapia (Oreochromis mossambicus) were studied by applying different temperature applications (28, 30, 32, 34 and 36oC) for a single period of 40 days. At the end of the study, in the control group (28oC), the males proportion was 47.62%. In fishes reared at 30oC, average male ratio was found as 73.68%. The highest male proportion was obtained in the 36oC temperature group (86.67%). Growth performances, feed utilization and gonad development were found to increase with elevating temperatures up to 34oC unlike the survival rate which has been found to fall with higher temperatures. In this study, sex differentiation rates differed significantly between all groups (p<0.05). However, the highest male rate obtained in group A and D. As hypothesized, results suggest that fish performed better at 30-32°C than 28°C or 34-36°C water temperature and the optimum temperature for a better expression of growth parameters in Mozambique Tilapia could be 30oC.
Keywords
References
- Al-Asgah, N. and Ali, A. (1997). Growth performance and body composition of Oreochromis niloticus reared at different water temperatures. Annales de Zootechnie, 46 (4), 331-338.
- Altun, T., Tekelioğlu, N. and Danabaş, D. (2006). Tilapia Culture and Its Problems in Turkey. Ege Journal of Fisheries and Aquatic Science, 23(3-4), 473–478.
- Azaza, M. S, Dhraief, M. S. and Kraiem, M.M. (2008). Effects of water temperature on growth and sex ratio of juvenile Nile tilapia Oreochromis niloticus (Linnaeus) reared in geothermal waters in southern Tunisia. J Therm Biol., 33, 98–105.
- Azuma, T., Takedab, K., Doib, T., Mutoa, K., Akutsub, M., Sawadab, M. and Adachi, S. (2004). The Influence of Temperature on Sex Determination in Sockeye Salmon Oncorhynchus nerka. Aquaculture, 234, 461-473.
- Bancroft, J. D., Stevens, A. and Turner, D.R. (1996). Theory and Practice of Histological Technique. 4th ed., London: Churchill Livingstone
- Baras, E., Jacobs, B., and Mélard, C. (2001). Effect of water temperature on survival, growth and phenotypic sex of mixed (XX–XY) progenies of Nile tilapia Oreochromis niloticus. Aquaculture, 192, 187–199.
- Baroiller, J. F. and D’Cotta, H. (2001). Environment and sex determination in farmed fish. Comparative Biochemistry and Physiology, 130, 399-409.
- Baroiller, J. F. (1996). Significant proportions of unexpected males in progenies from single pair matings with sibling sex reversed males of Oreochromis niloticus. In: R.S.V.
Details
Primary Language
English
Subjects
-
Journal Section
Research Article
Authors
Karl Christofer Kingueleoua Koyakomanda
This is me
0000-0002-4614-0127
Muamer Kürşat Fırat
This is me
Cüneyt Süzer
This is me
0000-0003-3535-2236
Serhat Engin
This is me
0000-0002-1663-1769
Müge Hekimoğlu
*
Türkiye
Hülya Sayğı
This is me
0000-0002-2327-566X
Osman Özden
This is me
0000-0003-3638-6657
Şahin Saka
This is me
0000-0001-7300-4860
Publication Date
January 7, 2019
Submission Date
December 20, 2018
Acceptance Date
February 26, 2019
Published in Issue
Year 2019 Volume: 34 Number: 1
Open Access Statement: