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:: Volume 1, Issue 2 (7-2014) ::
3 2014, 1(2): 1-10 Back to browse issues page
Application of a constant magnetic fields on the physicochemical parameters of the water, and magnetic water effect on goldfish (Carassius auratus) biophysiology
M Bahmani , M Agha Kouchaki, M Takrimi NyaRad
Abstract:   (4972 Views)

Indeed one of the most important factors in aquaculture, is water quality and quantity. Therefore, it is necessary to improve manufacturing efficiency by utilizing the related patterns. In this regard, the novel methods of magnetic water in aquaculture is considered.So in this study the effects of a constant magnetic field with an intensity of 0, 5, 15 and 25 mT on some physicochemical parameters of water and the effects of magnetic water on stress and survival of goldfish (Carassius auratus) in the period of April to December 2013 were studied.180 specimen of gold fish with an average weight of 48 gr in a three-intensity magnetic water treatment with 5, 15, 25 mT and a control group treated (0 mT) was performed. Each treatment consisted of three replicates and 15 fish. Physical and chemical parameters of waters such as TDS, NO2, NO3, NH4 + and O2, showed significant differences between the control and other treatments (p <0.05). Beside stress Index hormone (cortisol) in blood serum, a significant difference was observed between treatments (p <0.05).The results showed that indicators such as water quality, higher survival rate (SR) and delayed in sexual maturity observed in treatments affect the magnetic water compared to non-magnetic. Thus, these results may provide useful strategies applied in ornamental fish culture systems maintenance and increased productivity in their aquaculture.

Keywords: magnetic water, growth, physiological indices, gold fish, Carassius auratus
Full-Text [PDF 1132 kb]   (1735 Downloads)    
Type of Study: Research | Subject: Special
Received: 2015/11/8 | Accepted: 2015/11/8 | Published: 2015/11/8
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Bahmani M, Agha Kouchaki M, Takrimi NyaRad M. Application of a constant magnetic fields on the physicochemical parameters of the water, and magnetic water effect on goldfish (Carassius auratus) biophysiology. 3. 2014; 1 (2) :1-10
URL: http://ornamentalaquatics.ir/article-1-22-en.html


Volume 1, Issue 2 (7-2014) Back to browse issues page
مجله علمی-ترویجی آبزیان زینتی Journal of Ornamental Aquatics
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