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Articles by S.K. Paul
Total Records ( 3 ) for S.K. Paul
  G. Halder , S. Mondal , S.K. Paul , B. Roy and G. Samanta
  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.
  H.K. Ghosh , G. Halder , G. Samanta , S.K. Paul and S.K. Pyne
  An experiment was conducted to determine the influence of organic acid salts and mannan oligosaccharides on the performance and gut health of Japanese Quail. Day old chicks of Japanese Quail (n = 280) were randomly assigned into seven dietary treatments replicated four times with 10 chicks per replicate. Control (C0) birds were given a standard basal diet, C1 birds were provided with basal diet having antibiotic (Bacitracin methyl disalisylate-BMD) at 0.5 g kg-1; T1 birds having diet with sodium butyrate at 5 g kg-1; T2 birds were provided with basal diet having Mannan Oligosaccharide (MOS) at 1 g kg-1; group T3 birds were fed basal diet with ammonium formate at 1 g kg-1, calcium propionate 1 g kg-1 and sodium butyrate 5 g kg-1; T4 birds having diet with sodium butyrate at 5 g kg-1 and MOS at 1 g kg-1; T5 birds having diet with ammonium formate at 1 g kg-1, calcium propionate at 1 g kg-1, sodium butyrate at 5 g kg-1 and MOS at 1 g kg -1 of the diet. Organic acid salt supplementation increased (p<0.05) live weight, live weight gain compared to control (C). Cumulative feed intake was not significantly affected due to dietary treatments. Superior results in terms of Feed Conversion Ratio (FCR) and Performance Index (PI) were found in organic acid salt combination (T3) and organic acid salts combination (OASC) with MOS (T5) supplemented groups compared to others. OASC and OASC with MOS improved (p<0.05) gut health by reducing bacterial load in gut compared to control (C0) and other groups also. The result showed OASC and OASC with MOS supplementation significantly improved villus height compared to other groups. This experiment revealed that the use of OASC or OASC with MOS in the diet improved body weight gain, FCR, PI, villus height and reduced bacterial load in gut as antibiotic compared.
  R. Baksha , R. Alam , M.Z. Karim , S.K. Paul , M.A. Hossain , M.A.S. Miah and A.B.M.M. Rahman
  Multiple shoots were obtained from shoot tip explant of sugar-cane (Saccharum officinarum) cultured on MS medium supplemented with BAP (0.5-2.0 mg l-1), Kn (0.1-0.5 mg l-1) and IBA (0.1-0.5 mg l-1). Roots were induced in in vitro regenerated shoots on half MS medium supplemented with 5.0 mg l-1 NAA, IBA and IAA. Plant regeneration from shoot tip was the highest on MS medium supplemented with BAP 2.0 mg l-1 and IBA 0.5 mg l-1. The reported experimental findings present a method of plant regeneration of sugar-cane variety Isd 28 through shoot tip culture. The plantlets were successfully transferred to soil and the percentage of survivability under ex vitro condition was 70.
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