Hajimohammad Shirmohammadli; Majid Mohammadnejad
Abstract
Environmental, nutritional, size and age conditions cause many direct and indirect changes in the blood and serum indices of fish in different species. The aim of this study was to determine and evaluate the changes in hematological indicators and some biochemical indicators of Cyprinus carpio blood ...
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Environmental, nutritional, size and age conditions cause many direct and indirect changes in the blood and serum indices of fish in different species. The aim of this study was to determine and evaluate the changes in hematological indicators and some biochemical indicators of Cyprinus carpio blood serum in different weights. For this purpose, common carp farmed in the weight range of 500 to 2000 g were examined and analyzed in 5 weight groups of 500, 700, 1000, 1300 and 1600 g. The studied fish were bred and examined in a 2-hectare pool in one of the farms of Sari city under the same conditions. To perform blood tests, 5 fish were used in each weight group and blood sampling was performed by cutting the vein of the caudal stem vein. The results of the study of hematological indicators and some serum biochemical indicators showed that in different weights, significant changes in the amount of red blood cells, hemoglobin, hematocrit, mean red blood cell volume, mean hemoglobin concentration, mean red blood cell hemoglobin concentration, white blood cells, lymphocyte, monocyte, granulocytes, glucose, urea, triglycerides, cholesterol, phosphorus, calcium, sodium, potassium, albumin, and total protein were not observed (P> 0.05). The results of the present study showed that weight changes did not affect the hematological indicators and some biochemical indicators of common carp blood serum.
