Broiler Chicken Growth Performance, Ileal Microbial Population and Serum Enzyme Activity Affected By Dietary Source of NonStarch Polysaccharides As Supplemented With or Without Enzymes
Journal Title: Global Journal of Animal Scientific Research - Year 2014, Vol 2, Issue 3
Abstract
An experiment was conducted to evaluate the effect of different dietary source of Non-starch polysaccharides with or without enzymes on growth performance, ileal microbial population, and serum enzyme activity of broiler chickens. A total number of 625 unsexed broiler chicken (Ross-308) were randomly assigned to 5 treatments with 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). Feed intake and body weight gain were significantly increased, as well as 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 increased the total intestinal bacteria or gram negative and coliform bacteria as well as decreased the\number of lactic acid bacteria at 42 days of age (P<0.05). Serum enzyme activity of amylase and lipase were significantly increased after feeding chickens by diets contained W and B rather control or WE and BE at 42 days of age (P<0.05). The results of present study have shown that supplementation of W and B with enzymes completely restored the situation and neutralized the negative effects of W and B on growth performance, intestinal microbial population and serum enzyme activity of broiler chickens.
Authors and Affiliations
majid kalantar, fariborz khajali, akbar yaghobfar, javad pourreza, mohammad reaz akbari
Keywords
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