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International Journal of Poultry Science
Year: 2021  |  Volume: 20  |  Issue: 4  |  Page No.: 158 - 164

Effect of Xylo-Oligosaccharides (XOS) on Growth Performance, Blood Biochemistry and Total Viable Count in Ileum and Caecum of Broiler Chickens from Day 13-26

M. Akter and N. Akter    


Objective: This study was undertaken to investigate the effect of xylo-oligosaccharides (XOS) on the growth performance, blood biochemistry and total bacterial count in the intestine of broiler chicken from 13 to 26 days of age. Materials and Methods: A total of 96 day-old Cobb 500 broiler chicks were distributed randomly into four treatment groups with four replicates (6 birds replicate‾1) and fed basal diet (control) from day 1-12. Test diets were formulated with four different levels of XOS (0, 2.5, 5.0 and 7.5 g kg‾1) and offered to the birds from day 13-26. On day 26, the data on growth performance, serum biochemical profile, total viable count in the ileum and cecum, visceral organ weight and carcass yields of the broiler chickens were assessed. Results: There was no effect (p>0.05) of XOS on weight gain and feed intake. However, supplementation of 2.5 g XOS kg‾1 of diet significantly improved the feed conversion ratio (FCR) of the birds. This group of diet also increased (p<0.05) the serum concentration of T3 and T4 but reduced (p<0.05) the glucose level. Diets containing 2.5 and 5 g XOS kg‾1 increased the total viable count in both ileum and cecum. The dressing percentage and relative weight of the pancreas were significantly improved in birds consumed a diet containing 2.5 g XOS kg‾1. The abdominal fat content was low (p<0.05) in birds fed diets containing 2.5 and 5 g XOS kg‾1. Conclusion: Dietary XOS supplementation (2.5 and 5 g kg‾1 of diet) can improve the thyroid hormone activity and total viable count in ileum and cecum, thus improved the FCR of broiler chickens.

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