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Date Published: 17/03/2020
Online Published: 30/03/2020
Abstract Views: 112
Views Untitled: 112
DOI: https://doi.org/10.54607/hcmue.js.17.3.2632(2020)
Issue
Vol. 17 No. 3 (2020): (English)
Section
Articles
How to Cite
Trần , T. P. D. (2020). THE EFFECT OF LEAD ION ON THE GROWTH AND SURVIVAL RATE OF Oryzias curvinotus FROM STAGE 1 TO 10 DAYS OLD. HCMUE Journal of Science, 17(3), 527. https://doi.org/10.54607/hcmue.js.17.3.2632(2020)

THE EFFECT OF LEAD ION ON THE GROWTH AND SURVIVAL RATE OF Oryzias curvinotus FROM STAGE 1 TO 10 DAYS OLD

Thị Phương Dung Trần

Main Article Content

Abstract

 

 

Lead ion is one of the cations that affects the vitality, growth ability, causing skeletal deformities in fish development. This study was conducted to evaluate the effect of lead ion (Pb2+) on 1 to 10-day-old Oryzias curvinotus larvae at different concentrations: 0 µg/L; 50 µg/L; 100 µg/L; 150 µg/L. The results revealed that: (i) the minimum Pb2+ concentration affecting the medak survival rate is 50 µg/L; (ii) the Pb2+ concentration significantly affecting the survival rate on the 5th day is 150 µg/L. Based on the obtained results, we offered an equation to predict the survival rate of fish larvae and discovered the lethal LD50 concentration of Pb2+ after 10 days culturing is 98 µg/L and LT50 of Pb2+ at the concentration of 150 µg/L is 9,76 days. In conclusion, the higher concentration of Pb2+ causes the lower survival rate and the higher skeletal deformities of Oryzias curvinotus; the most effective concentration is 150 µg/L.

 

Keywords

ion Lead (Pb2 ), poisoned by heavy metal, larval fish, Oryzias curvinotus

Article Details

References

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