Changes on the structure of the gill apparatus of Cyprynus carpio under the influence of lead and copper
https://doi.org/10.52419/issn2782-6252.2022.2.93
Abstract
One of the urgent problems of aquatic toxicology is the increasing impact of heavy metals on hydrobionts. The aim of the study was to analyze the effect of high concentrations of lead acetate and copper acetate on carp gills during short-term exposure European carp (Cyprinus carpio carpio) was selected for the study weighing 1250 ± 136 g. During the experiment, 3 groups of 10 individuals were formed - a control group contained in water without a toxic agent; 1 experimental group of fish was contained in a solution of lead acetate (Pb(CH3COO)2) with a concentration of 0.6 mg/l (exceeding the maximum permissible concentration of lead for fishery reservoirs by 100 times); 2 the experimental group of fish was contained in a solution of copper acetate (Cu(CH3COO)2) with a concentration of 0.1 mg/l (exceeding the MPC of copper for fishery reservoirs by 100 times). The structure of the carp gill apparatus was studied by making a temporary wet preparation of the gill petals and its subsequent microscopy. The observed deviations in the state of the gills for the concentrations of copper and lead used included swelling and swelling of the gills, thickening of the epithelium, hypersecretion of the mucous cells of the gills.
About the Authors
L. Yu. Karpenko
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Larisa Yu. Karpenko, Dr.habil of Biological Sciences, Professor
P. A. Polistovskaya
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Polina A. Polistovskaya
A. I. Kozitsyna
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Anna I. Kozitsyna, Ph.D. of Veterinary Sciences, Docent
K. P. Ivanova
St. Petersburg State University of Veterinary Medicine
Russian Federation
Russian Federation
Katerina P. Ivanova
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Review
For citations:
Karpenko L.Yu., Polistovskaya P.A., Kozitsyna A.I., Ivanova K.P. Changes on the structure of the gill apparatus of Cyprynus carpio under the influence of lead and copper. Legal regulation in veterinary medicine. 2022;(2):93-95. (In Russ.) https://doi.org/10.52419/issn2782-6252.2022.2.93
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