Effects of endosulfan on embryonic development and hatching of Prussian carp, Carassius gibelio (Actinopterygii: Cypriniformes: Cyprinidae).
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1
University of Agriculture in Krakow, Department of Ichthyobiology and Fisheries, University of Agriculture in Krakow, Poland
Endosulfan is an extremely toxic organochlorine pesticide to aquatic organisms which might be hampering fish health through impairment of metabolism sometimes leading to death. The aim of this study was to determinate the effects of endosulfan on embryonic development and hatching of Prussian carp (Carassius gibelio Bloch) larvae.
The samples of eggs were obtained from 6 sexually matured Prussian carp females and incubated separately after activation with common carp (Cyprinus carpio L.) sperm. The experiment began by carrying out artificial spawning. The activated eggs were divided into three groups: control one (without the addition of endosulfan), and three with endosulfan (0,1; 1 and 10 µgL-1 of water). Incubation of the eggs lasted for 4 days. The mortality, hatching rate, number of hatched larvae, and number of deformed larvae were observed. Alive and dead eggs were converted after 24 h of activation. The dynamics of hatching and the number of deformed larvae were examined between 68 to 92 h. After analyzing the results with the nonparametric Mann-Whitney test it was found no statistically important effects of endosulfan on percentage of living eggs (after 24 h of incubation), and on the dynamics of Prussian carp larvae hatching. Only the observation of increased number of deformed larvae showed teratogenic influence of endosulfan (10 µg L-1).
Summing up the obtained results shown that endosulfan at tested doses had adverse effect on embryonic development of Prussian carp (Carassius gibelio Bloch).
Acknowledgements
Acknowledgements: Supported by Project no 3202/KIiR
Keywords:
Prussian carp,
Pesticides,
embrionic development,
Reproduction,
Endosulfan
Conference:
XV European Congress of Ichthyology, Porto, Portugal, 7 Sep - 11 Sep, 2015.
Presentation Type:
Poster Presentation
Topic:
Physiology, Behavior and Toxicology
Citation:
Drąg-Kozak
E,
Socha
MK,
Zawartka
D and
Popek
W
(2015). Effects of endosulfan on embryonic development and hatching of Prussian carp, Carassius gibelio (Actinopterygii: Cypriniformes: Cyprinidae)..
Front. Mar. Sci.
Conference Abstract:
XV European Congress of Ichthyology.
doi: 10.3389/conf.FMARS.2015.03.00190
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Received:
30 Nov 2015;
Published Online:
01 Dec 2015.
*
Correspondence:
Dr. Ewa Drąg-Kozak, University of Agriculture in Krakow, Department of Ichthyobiology and Fisheries, University of Agriculture in Krakow, Krakow, 30-199, Poland, e.drag-kozak@ur.krakow.pl