Effect of adding turmeric to the diet of common carp (Cyprinus carpio) on hematological and biochemical parameters during transportation

In this study, the effect of feeding with turmeric-enriched diets was investigated on hematological and ionic parameters after transport in common carp. For this, the fish were fed diets containing 0, 0.5, 1 and 2% turmeric for 2 weeks and then transported in plastic bags for 3 hours. The results showed that transport decreased the number of red blood cells and the percentage of lymphocytes, and increased the number of white blood cells, the percentage of neutrophils, MCV, MCH and MCHC in the blood and increased the concentration of calcium, chloride and potassium in the plasma. Also, transport had no significant effect on hematocrit percentage, hemoglobin concentration, and percentage of blood monocytes. Addition of turmeric to the diet reduced the negative effects of transport in the fish and the best results were obtained in the treatment of 1% turmeric. Based on this study, it is concluded that dietary turmeric supplementation improves hematological parameters and health of fish after transportation and the level of 1% turmeric is recommended for common carp.