Abstract Title:

Effect of dietary resveratrol in ameliorating aflatoxin B1-induced changes in broiler birds.

Abstract Source:

J Anim Physiol Anim Nutr (Berl). 2015 Dec ;99(6):1094-104. Epub 2014 Oct 16. PMID: 25319220

Abstract Author(s):

M Sridhar, R U Suganthi, V Thammiaha

Article Affiliation:

M Sridhar


Consumption of aflatoxin B1 (AFB1) contaminated feed by poultry affects the health of broiler birds causing severe economic losses. The use of phytochemicals is a safe, effective, alternative and practical approach to combat the toxic effect of AF in broilers. Resveratrol, a polyphenol derived from red grapes, berries and peanuts, exerts anti-inflammatory, antioxidant and immunomodulatory effects. Our study was aimed at evaluating the possible protective effects of resveratrol against the adverse effects of AFB1 in broiler birds. A feeding trial of 42 days of duration was undertaken in a completely randomized design with five dietary treatments: G1-AFB1(1.0 ppm); G2-CTR (basal diet alone); G3-AFB1(1.0 ppm)+Resv 0.5%; G4-AFB1(1.0 ppm)+Resv 1%; and G5-Resv 1%. Gain in body weight (BWG) and feed intake (FI) was observed to be highest (p<0.05) in the AFB1 birds followed by the control group. Feed conversion ratio was lowest in G2-CTR birds and failed to record any significant variation (p>0.05) between groups as well as within groups. Birds fed resveratrol at both 0.5% and 1.0% levels in combination with AFB1 as well as alone along with basal diet had lower BWG and FI between the fourth and fifth week and also at the fifth week (p<0.05). No variation (p>0.05) was obtained in the FCR of AFB1 and resveratrol group of broiler birds. AFB1 feeding significantly increased the activities of aspartate-(AST) and alanine-(ALT) amino transferase, superoxide dismutase (SOD) and catalase (CAT) activities (p<0.05) but lowered glucose, cholesterol and triglyceride levels in serum. Supplementation of resveratrol helped in increasing the activities of the oxidative enzymes and in improving the plasma total antioxidant capacity (TAOC) and total protein (TP) significantly (p<0.05) and protein values. The livers of AFB1 group showed degeneration of hepatocytes, bile duct hyperplasia and microgranuloma formation. In resveratrol supplemented birds, the severity and degree of the liver lesions was far less. Apoptotic proteins failed to show any variation in expression between AFB1, control and resveratrol group of birds. The inclusion of resveratrol in broiler diets enhanced antioxidant status of birds indicating the protective effect of resveratrol against AFB1-induced toxicity. So, we advice use of resveratrol as a feed additive to control aflatoxicosis in poultry farms.

Study Type : Animal Study

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