Different Dietary Source of Non-Starch Polysaccharides Supplemented with Enzymes Affected Growth and Carcass Traits, Blood Parameters and Gut Physicochemical Properties of Broilers

Majid Kalantar, Fariborz Khajali, Akbar Yaghobfar


An experiment was conducted to evaluate the effect of different dietary source of Non-starch polysaccharides supplemented with enzymes on growth, carcass and physiological characteristics of broilers. A total number of 625 unsexed broiler chicken (Ross 308) were randomly assigned to 5 treatments, 5 replicates and 25 birds per each unit, using a CRD statistical design. Treatments were included control, wheat (W), wheat+ enzyme (WE), barley (B), and barley+ enzyme (BE). Total feed intake and body weight gain were significantly increased, but feed conversion ratio decreased by diets supplemented with enzymes rather diets without enzymes (P<0.05). The inclusion of W and B in diets led to significantly decreased in carcass yield and the percentage of breast, leg, fat pad, and liver compare to the control (P<0.05). The percentage of pancreas was higher in W and B diets than control or enzyme supplemented diets (P<0.05). Serum levels of glucose (GLU), triglyceride (TG), and cholesterol (CHO) significantly decreased in diet contained W and B (P<0.05). Digesta viscosity significantly increased, but pH decreased after feeding the chickens by W and B diets rather control (P<0.05). The results of present study have shown that supplementation of W and B with multi-enzymes completely restored the situation and neutralized the negative effects of W and B on growth and carcass traits, blood parameters and gut physicochemical properties of broiler chickens.


chicken; carcass; growth; NSP; physicochemical

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