This study investigated the effects of adding essential oils of garlic, ginger, turmeric, and cinnamon to drinking water on cardiac, hepatic, nephrotic, and splenic oxidative status of broiler chickens. A batch of 200 1-d old Arbo acre broiler chicks was administered with Control (Water: no additive), 30 ml/L of cinnamon, ginger, turmeric, or garlic essential oils in drinking water for 42 d. On day 43, three broiler chickens/replicates were sampled randomly, sacrificed, and eviscerated. The hearts, spleens, kidneys, and livers were excised and assayed for glutathione peroxidase, total antioxidant activity, catalase, superoxide dismutase, and lipid peroxidation using standard protocols. In spleen broiler chickens, all additive essential oils increased (P < 0.05) total antioxidant activity. Catalase, superoxide dismutase, and glutathione peroxidase significantly increased (P < 0.05) in garlic, ginger, and turmeric essential oils except cinnamon. In kidney broiler chickens, lipid peroxidation was significantly reduced (P < 0.05) in all the additive essential oils. Garlic, cinnamon, and ginger essential oils increased (P < 0.05) catalase, superoxide dismutase, and glutathione peroxidase in kidney broiler chickens. In liver broiler chickens, lipid peroxidation, and glutathione peroxidase were higher (P < 0.05) in cinnamon essential oil than other additive essential oils. Superoxide dismutase and catalase were higher (P < 0.05) in turmeric essential oils. In heart broiler chickens, all the additive essential oils significantly decreased (P < 0.05) lipid peroxidation and increased (P < 0.05) total antioxidant activity. In conclusion, oral garlic, turmeric, and ginger essential oils supplementation did not reduce lipid peroxidation in spleen, whereas cinnamon essential oil caused lipid peroxidation in liver of broiler chickens.
Keywords: antioxidant enzymes; essential oils; liver; peroxidation; spleen.
© The Author(s) 2023. Published by Oxford University Press on behalf of the American Society of Animal Science.