Abstract

This study was carried out to evaluate dietary effect of beetmolasses on immunity indices of common carp treated with titanium oxide nanoparticles TiO2-NPs. 250 fish were distributed in four treatments containing 0, 0.5%, 1% and 2% molasses and fed for 42days, then fish wereexposed to TiO2-NPs during a 14-day. At the end of experiment, hematological, biochemichal and mucusal immunity indiceswere evaluated. The aboved indices showed a significant difference compare to the control group (p < 0.05). Blood monocyte and lymphocyte in the TiO2-NPs with molasses group was reduced, that means molasses in combination with TiO2-NPs could alleviate the effect of TiO2-NPs. In treatments of TiO2-NPs and molasses combination, molasses was able to reduce the additive effect of monocyte, mean corpuscular hemoglobin concentration, alkaline phosphatase, alanine aminotransferaseand aspartate aminotransferase. Molasses in combination with TiO2-NPs was able to improve the negative effect of TiO2-NPs, so 2% molasses in combination with TiO2-NPs, could neutralized undesirable effect of TiO2-NPs on common carp.

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