Effect of Mycotoxin Don on the Structural Organization of the Liver in Common Carp

The study presents the data on the cellular composition of the kidneys of the common carp against the background of the use of the probiotic Celloblacterin-T. The experiment was planned and carried out at a specialized fish farm in Voronezh region. Specimens of the common carp aged 1 year and weighing in the range of 250-300 grams were selected for the experiment. As part of the baseline study, kidneys were taken from fish (n=5) for cytological studies. After that, the fish were divided into 2 groups: carps from the control (n=8000) and experimental (n=8000) ponds. The fish from the control pond received the main diet, and the fish from the experimental pond received the probiotic drug Cellobacterin-T (with the main diet), calculated at a dose of 2 kg/t of feed. Then a test fishing was carried out, during which kidneys were taken from the specimens of both ponds (n=8 from each) for cytological studies. They were conducted 14 days after the beginning of using the probiotic and 42 days after the beginning (12 days after the end of using the probiotic). In the baseline study, we revealed inhibition of the lymphoid lineage of the anterior kidney, an inflammatory neutrophilic reaction caused by the effect of heavy metals, as evidenced by a low number of lymphocytes (16.5%) and a high number of neutrophils and their precursors (10.5%). Against the background of the use of Cellobacterin-T, activation of lymphocytes was observed, their number increased by 1.9 times relative to the baseline study. The number of neutrophils and their precursors was reduced by 3 times. After discontinuation of the drug, the results of the experimental group were close to the results of the baseline study.

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Cellular composition of the kidneys of the common carp after the use of cellobacterin-T under conditions of anthropogenic pressure

Михайлов

Bolotova

Butorakina

et al. 2023

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Effect of Mycotoxin Don on the Structural Organization of the Liver in Common Carp

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Cellular composition of the kidneys of the common carp after the use of cellobacterin-T under conditions of anthropogenic pressure

Cellular composition of the kidneys of the common carp after the use of cellobacterin-T under conditions of anthropogenic pressure

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