Effects of Cd, Zn and Cd+Zn combination on osmoregulation of tilapia (oreochromis niloticus) Repository

Effects of Cd, Zn and Cd+Zn combination on osmoregulation of tilapia (oreochromis niloticus)

Trisnadi Widyaleksono Catur Putranto and Dewi Shinta and Mochammad Affandi and Agoes Soegianto (2020) Effects of Cd, Zn and Cd+Zn combination on osmoregulation of tilapia (oreochromis niloticus). Asian Journal of Water, Environment and Pollution, 17 (3). pp. 49-53. ISSN 0972-9860

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Abstract

The objectives of this study were to evaluate the effects of cadmium (Cd), zinc (Zn) and Cd+Zn combinations on serum osmolality and ions in Oreochromis niloticus. A total of 60 O. niloticus with five fi sh per tank and two tanks per group were used during this experiment. Group I was held in media without metal (as control) and other groups were exposed to 7.5 mg/L Zn, 15 mg/L Zn, 2.5 mg/L Cd, 7.5 mg/L Zn + 2.5 mg/L Cd and 15 mg/L Zn + 2.5 mg/L Cd for 7 days. The osmolalities of fish exposed to Cd, Zn and Cd+Zn combinations were higher than the control. Fish exposed to 2.5 mg/L Cd presented the highest level of Na+and Cl-, and the lowest level of K+. This study shows that the osmotic and ionic regulatory impairment is more pronounced in fish exposed to Cd than in Zn and Cd+Zn combinations. This phenomenon indicates that Zn plays a prominent role in suppressing the toxic effect of Cd on O. niloticus. Â© 2020 Lippincott Williams and Wilkins. All rights reserved.

Item Type:

Article

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cited By 0

Uncontrolled Keywords:

Fish, cadmium, zinc, osmolality, ions, serum

Subjects:

T Technology > TD Environmental technology. Sanitary engineering
T Technology > TD Environmental technology. Sanitary engineering > TD172-193.5 Environmental pollution

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Artikel Ilmiah > SCOPUS INDEXED JOURNAL

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