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Indian Journal of Animal Nutrition
Year : 2006, Volume : 23, Issue : 1
First page : ( 34) Last page : ( 40)
Print ISSN : 0970-3209. Online ISSN : 2231-6744.

Effect of dietary supplementation of organic acids on performance of broiler chicken

Thirumeigmanam D., Swain R. K., Mohanty S. P., Pati P. K.

Orissa College of Veterinary Science and Animal Husbandry, Orissa University of Agriculture and Technology, Bhubaneswar-751003, India

Received:  23  January,  2006.

Abstract

Day-old, straight-run Cobb broiler chicks (375) randomly distributed into five groups (three replicates of 25 chicks each) were offered either control diet (C), C supplemented with doxymycin (DOX) @ 0.5 mg/ton, organic acids (Acifed-FS) @ 0.5 kg/ton (AFS1), @ 1 kg/ton (AFS2) or @ 1.5 kg/ton (APS3). The body weights of broilers at 6th week of age were significantly higher (P<0.01) in AFS2 and AFS3 as compared to other groups. Better feed conversion efficiency was noticed in AFS2 as compared to other treatments. The cost of production per kg live weight was the lowest in AFS2 (Rs. 34.19) and highest in C (Rs. 38.93). The abdominal fat yield was significantly lower in AFS2 and AFS3 as compared to other treatments. The pH, bacterial counts and fungal counts of feed samples collected at fortnightly intervals were lower (P<0.01) in AFS1, AFS2 and AFS3 compared to C and DOX. The pH values of gizzard and duodenum decreased (P<0.01) in AFS1, AFS2 and AFS3 as compared to C and DOX. The pH of crop was also reduced (P<0.01) in AFS2 and AFS3 as compared to C and DOX. The total bacterial load decreased and Lactobacilli load increased in AFS1, AFS2 and AFS3 as compared to C and DOX. The ileal digestibility of nutrients were higher in AFS2 and AFS3 as compared to Cand DOX. The N, Ca and P retentions were also higher (P<0.01) in AFS2 and AFS3 as compared to other groups. Supplementation of Acifed-FS improved gut health, nutrient utilization and production performance in broiler chicks.

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Keywords

Organic acids, Body weight gain, Nutrient utilization, Carcass characteristics, Microbial load, Broilers.

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