This study aimed to determine the influence of injection of polysaccharide on growth, feed consumption, feed conversion ratio, carcasses, hematology, and blood metabolites in Cobb 500 chicks. At the 7th day of incubation, a total of 250 eggs were randomly divided into five groups with 5 replications of 10 eggs of each: negative control (normal eggs), positive control (0.5 mL saline), 1.5 mg , 3.0 mg , and 4.5 mg injection. Live body weight and gain were not significantly (linear and quadratic) affected by injection of . Kidney and liver functions were influenced by injection of polysaccharides in broiler chickens. Antioxidant enzymes were quadratically increased with polysaccharides, and the highest values achieved with 4.5 mg. The MDA concentration was linearly and quadratically decreased with injection of polysaccharides when compared to negative control. The highest values of IgG and IgM were achieved with 1.5 mg polysaccharides when compared to all other groups. In conclusion, our results indicate that injection of polysaccharides 1.5-4.5 mg in broiler eggs significantly improved serum ALT, AST, AP, creatinine enzymes, antioxidant activity, and immune function.
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