The physiological responses of the Caspian kutum (Rutilus frisii kutum) fry to the static magnetic fields with different intensities during acute and subacute exposures

Loghmannia, Javad; Heidari, Behrooz; Rozati, Seyed Ali; Kazemi, Soodabeh

doi:10.1016/j.ecoenv.2014.10.020

Cited by 13 publications

(3 citation statements)

References 25 publications

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“…Biochemical parameters can be used to evaluate the health of aquatic organisms and ecosystems (Loghmannia et al 2015). The effects of magnetic treated water and stocking density on some selected serum parameters including: total protein, albumin, globulin, triglyceride and cholesterol at the end of the experiment were showed in the Table (2).…”

Section: Effect Of Magnetic Water and Stocking Density On Selected Sementioning

confidence: 99%

Impact of magnetic water treatment technology on water parameters, growth performance and blood parameters of the Nile Tilapia (Oreochromis niloticus)

Ahmed¹,

El-Hamed²

2020

Egypt. J. of Aquatic Biolo. and Fish.

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Section: Effect Of Magnetic Water and Stocking Density On Selected Sementioning

confidence: 99%

Impact of magnetic water treatment technology on water parameters, growth performance and blood parameters of the Nile Tilapia (Oreochromis niloticus)

Ahmed¹,

El-Hamed²

2020

Egypt. J. of Aquatic Biolo. and Fish.

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“…Similar phenomena have been reported in many aquatic organisms previously. For example, studies showed that, the lysozyme level significantly decreased, and the AST and ALT levels significantly increased upon magnetic field exposure in Cyprinus Carpio (Khoshroo et al, 2018) and Caspian kutum (Loghmannia et al, 2015). Magnetic field exposure also leads to impaired digestive performance in E. leucolegnote, as shown by the reduced activity of AMS, PEP and LPS.…”

Section: Discussionmentioning

confidence: 99%

Effect of static magnetic field on marine mollusc Elysia leucolegnote

Fan

Zhang

et al. 2023

Front. Mol. Biosci.

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Artificial magnetic fields are unavoidable environment for offshore marine organisms. With the substantially increasing submarine cables, the impact of magnetic field generated by cables on marine organisms has gradually attracted people’s attention. However, there are few studies on the effect of magnetic field on molluscs. To explore whether magnetic fields could interfere with the physiological functions of offshore molluscs, here we systematically analyzed the change of metabolism and transcriptome of Elysia leucolegnote exposed to either geomagnetic field or 1.1 T static magnetic field. The blood glucose and lipid levels, as well as the activities of antioxidant enzymes in E. leucolegnote were significantly increased upon the exposure to high static magnetic field for 10 days. Meanwhile, the activities of enzymes related to digestive performance and liver functions were decreased. Possible mechanisms were further revealed through comparative transcriptome analysis. A total of 836 differentially expressed genes were identified, 352 of which were up-regulated and 484 of which were down-regulated after exposure to the high static magnetic field. The up-regulated differential genes were mainly concentrated in lysosomal and apoptotic pathways, and down-regulated differential genes were mainly involved in digestive and immune systems including phagocytosis. This pattern was further confirmed by RT-qPCR analysis. In conclusion, prolonged exposure to a 1.1 T static magnetic field increased oxidative stress and blood glucose and lipid levels, and decreased immunity and physiological conditions in E. leucolegnote. The data we presented here provides a comprehensive view of metabolism change and gene expression pattern of E. leucolegnote exposed to static magnetic field. It may expand our knowledge on the magnetic field effects on offshore mollusc at molecular level, and contribute to clarification of the interaction between marine animals and artificial magnetic fields, which is certainly ecologically important.

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“…Biochemical parameters can be used to evaluate the health of aquatic organisms and ecosystems (Loghmannia et al, 2015). Magnetic water had a beneficial effect on immunological markers in Nile tilapia.…”

Section: Discussionmentioning

confidence: 99%

Effects of Magnetic Water on Productive Performance, Behaviour, and Some Physiological Responses of Nile Tilapia Fish (Oreochromis Niloticus) Reared Under Normoxia and Hypoxia Conditions

Aziz

AHMED²,

RAMADAN³

et al. 2022

Assiut Veterinary Medical Journal

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This study aims to examine the effects of magnetic water on behaviour, performance and some physiological parameters of Nile tilapia fish and the physicochemical properties of water. Forty-eight Nile Tilapia fish with 30.95±1.75g in weight were reared under normoxia conditions and classified into two groups (n=12/aquarium, 2 replicates). Group 1: fish raised in non-magnetized water (control). Group 2: fish raised in magnetic water using a magnetic field, 18000 Gauss (MW). Fish performance, behavioural and physiological responses were examined as well as water quality parameters of the fish aquarium were measured. At the end of the experiment, fish (n=6/aquarium, 2 replicates) of two groups were exposed to 8 hours of hypoxia. Fish behaviour was recorded and water quality parameters of the fish aquarium were measured. Results revealed that the body weight and body weight gain of fish were significantly (p<0.05) increased, however, feed conversion ratio was decreased for fish reared under the use of water magnetization. Magnetic water fish showed high comfort behavioural activities with low surfacing and eliminative behaviours. Water magnetization improved significantly the dissolved oxygen, ammonia, and turbidity of the fish aquarium. Magnetic water fish showed high total protein and globulin with a lower plasma glutathione reductase (GSH). Fish of magnetic water showed a significant increase in resting and a decrease in surfacing, chasing, and biting with lower plasma cortisol when exposed to hypoxia condition. The dissolved oxygen of magnetic water was significantly more than the dissolved oxygen of normal water after hypoxia exposure. These findings suggest that using magnetic water has significant performance and behaviour benefits, as well as reduced hypoxia stress effects in Nile tilapia fish.

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The physiological responses of the Caspian kutum (Rutilus frisii kutum) fry to the static magnetic fields with different intensities during acute and subacute exposures

Cited by 13 publications

References 25 publications

Impact of magnetic water treatment technology on water parameters, growth performance and blood parameters of the Nile Tilapia (Oreochromis niloticus)

Impact of magnetic water treatment technology on water parameters, growth performance and blood parameters of the Nile Tilapia (Oreochromis niloticus)

Effect of static magnetic field on marine mollusc Elysia leucolegnote

Effects of Magnetic Water on Productive Performance, Behaviour, and Some Physiological Responses of Nile Tilapia Fish (Oreochromis Niloticus) Reared Under Normoxia and Hypoxia Conditions

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