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Asian Journal of Animal Sciences
Year: 2007  |  Volume: 1  |  Issue: 1  |  Page No.: 18 - 25

Chronic Arsenic Toxicity with and Without Excess Supplementation of Methionine on the Performance and Metabolizability of Nutrients in Layer Chicken

G. Halder, S. Mondal, S.K. Paul, B. Roy and G. Samanta    

Abstract: An experiment was conducted to find out the effect of arsenic with or without excess supplementation of methionine and methionine-betaine combination on performance of layer chicken. Sixteen week old pullets (n = 120) of Rhode Island Red (RIR) were randomly assigned into four dietary treatments replicated three times with 10 birds/replicate. The groups were control (C)-provided basal diet to meet all the nutrients requirement, T1-birds were offered basal diet and 5.5 ppm arsenic (As) through water, T2-birds were offered control diet with 50 g methionine per 100 kg of feed and 5.5 ppm As through water and in T3- 25 g methionine + 25 g betaine per 100 kg of control feed and 5.5 ppm As through water were provided. The birds were maintained replicate wise in deep litter system of housing with a common system of management. Final body weight and body weight gain was significantly (p<0.01) varied among the groups. Reduced feed intake was noticed in arsenic treated groups. Egg production and egg weight were significantly (p<0.01) decreased in arsenic treated groups than control. The first laying age were differed significantly (p<0.01) among the experimental groups.

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