Journal article
Effect of water hardness on peracetic acid toxicity to zebrafish, Danio rerio, embryos
Université catholique de Louvain1
U.S. Arid Land Agricultural Research Center2
Martin Luther University Halle-Wittenberg3
National Institute of Aquatic Resources, Technical University of Denmark4
Section for Aquaculture, National Institute of Aquatic Resources, Technical University of Denmark5
Leibniz-Institute of Freshwater Ecology and Inland Fisheries6
The use of peracetic acid (PAA) in aquaculture has been suggested as an alternative therapeutic agent. Few data are available concerning fish toxicity by PAA or factors that modify this toxicity. The aim of this study was to investigate the influence of water hardness on the acute toxicity of PAA products to embryos of zebrafish (Danio rerio).
Embryos were exposed to PAA ranging from 0 to 9 mg/L in low-hardness (1.4 dH or 25 mg/L hardness as CaCO3), medium-hardness (14 dH or 250 mg/L hardness as CaCO3) and high-hardness (140 dH or 2,500 mg/L hardness as CaCO3) waters. The lowest LC50 value was 2.24 mg/L PAA in the low-hardness water, and the highest LC50 value was 7.14 mg/L PAA in the high-hardness water.
Toxicity of PAA to embryos was found to be negatively correlated with water hardness. The pH decreased with increasing concentrations of PAA, and the test waters were observed to become more acidic in low hardness. In conclusion, aquaculturists using PAA should pay attention to water hardness to avoid acidosis
| Language: | English |
|---|---|
| Publisher: | Springer Netherlands |
| Year: | 2013 |
| Pages: | 679-686 |
| Journal subtitle: | Journal of the European Aquaculture Society |
| ISSN: | 1573143x and 09676120 |
| Types: | Journal article |
| DOI: | 10.1007/s10499-012-9602-9 |
| ORCIDs: | Pedersen, Lars-Flemming |
