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Articles by B. Sarkar
Total Records ( 2 ) for B. Sarkar
  S.M.E. Ershad , S.S. Islam , S.C. Mondal and B. Sarkar
  The study was conducted in Jessore District of Bangladesh to observe the efficiency of trained farmers as compared to farmers with out training on the production performances of broilers as well as the net profit from broiler production. Three categories of farmers were considered in the present study, viz., Certificate on Livestock and Poultry (CLP) trained farmers, this category of farmers had 6 months long training on livestock and poultry production, Youth Training Center (YTC) trained farmers, this category of farmers had 3 months long training on livestock and poultry production and General farmers, this category of farmers had no formal training on poultry/broiler production. The production parameters considered in the study were live weight gain (kg bird-1), feed consumption (kg bird-1), feed conversion ratio (FCR) and mortality (%). The overall production performances and net profit was found better in both of the trained farmers categories as compared to general farmers. Therefore, it can be recommended here that the training of farmers is obvious for efficient and profitable broiler production in the country.
  B. Sarkar , S.S. Islam , Z.H. Khandaker , S.M.E. Ershad , A. Ashraf and M.H. Rashid
  The study was conducted in the Department of Animal Nutrition, Bangladesh Agricultural University with an aim to assess the degradability of crude protein (CP) and crude fibre (CF) of Jumbo grass grown in four different doses of nitrogen (N) fertilizer. The four doses of N fertilizer were 0, 50, 100 and 150 kg urea ha 1 in a Completely Randomized Design having four replications in each treatment. The unit plot size of each replicate was 4x4 m2. The fodder was harvested at the pre flowering stage at 68 days after sowing for first cutting. Four adult male cattle of about 170 kg live weight and about four years of age, fitted with permanent rumen canula, were used for the experiment. Approximately 3 g of each ground sample was placed in nylon bag separately for ruminal incubation. The size of the bag was 7x5 cm2 with pore size of 60 μ m. The bags with samples were incubated for the period of 2, 6, 12, 24, 48 and 72 h in the rumen. The bags with contents were removed from rumen and dried in an oven at 100 ° C for complete removal of moisture. The residues were analyzed for crude protein (CP) and crude fibre (CF) estimation. The disappearance values were obtained by difference in weight of the sample before and after incubation. From the percentage of disappearance data, the degradation characteristics were calculated by using the NAWAY computer programme. The results of the study showed that the effective degradability of crude protein (EDCP) of the fodder increased by increasing the N fertilizer doses while effective degradability of crude fibre (EDCF) remain unchanged. Due to fertilization the values of potential degradable fractions ‘(a+b) ’ decreases for CF and this value remain unchanged for CP. Rate constant (c value) was increased due to N fertilizer for both CP and CF.
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