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Egyptian Journal of Aquatic Biology and Fisheries
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Ghanem,, M., El-Sayed, A., Hassan, A. (2016). Studies on fecundity and some physiological features for the ovaries of Nile Tilapia, Oreochromis niloticus treated with different concentrations of Ethylenediaminetetraacetic Acid (EDTA).. Egyptian Journal of Aquatic Biology and Fisheries, 20(1), 25-33. doi: 10.21608/ejabf.2016.2284
Mohamed Ghanem,; Awaad El-Sayed; Ahmed Hassan. "Studies on fecundity and some physiological features for the ovaries of Nile Tilapia, Oreochromis niloticus treated with different concentrations of Ethylenediaminetetraacetic Acid (EDTA).". Egyptian Journal of Aquatic Biology and Fisheries, 20, 1, 2016, 25-33. doi: 10.21608/ejabf.2016.2284
Ghanem,, M., El-Sayed, A., Hassan, A. (2016). 'Studies on fecundity and some physiological features for the ovaries of Nile Tilapia, Oreochromis niloticus treated with different concentrations of Ethylenediaminetetraacetic Acid (EDTA).', Egyptian Journal of Aquatic Biology and Fisheries, 20(1), pp. 25-33. doi: 10.21608/ejabf.2016.2284
Ghanem,, M., El-Sayed, A., Hassan, A. Studies on fecundity and some physiological features for the ovaries of Nile Tilapia, Oreochromis niloticus treated with different concentrations of Ethylenediaminetetraacetic Acid (EDTA).. Egyptian Journal of Aquatic Biology and Fisheries, 2016; 20(1): 25-33. doi: 10.21608/ejabf.2016.2284

Studies on fecundity and some physiological features for the ovaries of Nile Tilapia, Oreochromis niloticus treated with different concentrations of Ethylenediaminetetraacetic Acid (EDTA).

Article 3, Volume 20, Issue 1, January 2016, Page 25-33  XML PDF (465.33 K)
Document Type: Original Article
DOI: 10.21608/ejabf.2016.2284
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Authors
Mohamed Ghanem,; Awaad El-Sayed; Ahmed Hassan
Marine Biology branch, Zoology Dept., Faculty of Science, Al-Azhar University
Abstract
The present study aims to determine the effect of different concentrations of EDTA (0 g EDTA/L, 0.1 g EDTA/L and 0.3 g EDTA/L) on fecundity, survival rate and biochemical responses of the adult female of Nile tilapia, Oreochromis niloticus
reared in glass tanks. Results showed that, the fecundity increases with the increasing in the concentrations of EDTA compared with control. Survival rate are affected by high concentration of EDTA (0.3 g EDTA/L) and reached to 33.3 % at the end of third week. However, an addition of EDTA to aquaria containing adult females increased the biochemical parameters at high concentration compared with control and low concentration samples except total proteins showed deceasing to lowest level. Statistical analysis mentioned a significant difference between the low concentration
of EDTA and both of high concentration and control in all parameters. Otherwise, total carbohydrates exhibit non significant differences between all of them.
Keywords
EDTA; fecundity; physiological features; Oreochromis niloticus
Main Subjects
Fisheries
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