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Effect of Antioxidant organic sulfur compounds on performance, prooxidant– antioxidant balance (PAB) of the Eimeria-infected broiler chickens


 Start Page 323 | End Page 329


 BACKGROUND: Use of garlic Powder (GP) and Total Sulfur Amino acid (TSAA) can improve redox status of broiler chickens fed with and infected by Eimeria and recover the negative effects of coccidiosis. OBJECTIVES: This experiment was carried out to evaluate the effects of GP and TSAA on feed intake (FI), feed conversion ratio (FCR) and prooxidant– antioxidant balance (PAB) of the chickens challenged with Eimeria oocysts species mix. METHODS: A 2×2×2 split-plot-factorial arrangement of treatments was used. 400 day-old male broiler chickens (Ross 308) were equally assigned to two plots (4 treatments each). Two hundred of the chickens were challenged with Eimeria oocysts species mix by oral inoculation at day 34 (infected plot) and the others were left as unchallenged (uninfected plot). In each plot, broiler chickens were randomly assigned to four treatments and fed one of following diets: basal diet, basal diet plus 0. 5% GP, basal diet plus 50% more TSAA based on Ross 2009 recommendations, basal diet plus 0. 5 % GP and 50% more TSAA based on Ross 2009 recommendations. RESULTS: The results showed that after inoculation birds with 7. 5×102 Eimeria oocysts species mix significantly (p<0. 05) reduced the FI to 20% and increased FCR to 14% and also increased serum PAB (p<0. 05), especially for infected broilers that were fed with basal diet, however, supplementation of GP and TSAA were better for broiler chickens in infected plot than uninfected plot. CONCLUSIONS: These results indicate that addition of GP and TSAA to diet may recover the negative effects of coccidiosis and improve the performance and redox of broiler chickens infected by Eimeria.


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