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Articles by S.S. Islam
Total Records ( 4 ) for S.S. Islam
  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.
  S.S. Islam , M.G. Azam , S.K. Adhikary and K.S. Wickramarachchi
  The study was conducted in Batyaghata sub-districts, Khulna, Bangladesh to observe how three different components of rice, duck and fish in a polyculture system are benefited from each other. The study was conducted in a land size of 0.087 ha, which was divided into two parts measuring 0.058 and 0.029 ha. In the larger part (0.058 ha) ducks and fishes were introduced along with rice. Rice and fishes were cultured in the rest of the land. Four fish species namely, Rohu (Labeo ruhita), Catla (Catla catla), Mirror carp (Cyprinus carpio) and Nilotica (Oreochromis niloticus) were introduced in both parts of the land with a stocking density of 1800, 2700, 1500 and 2100 fry ha-1 respectively. No additional feed was supplied for the fishes. Thirty ducks of Zending breed were allowed to graze in the larger part of the land. There were four male ducks and the rests were female. The ducks were allowed to graze during the daytime and they were confined in a house constructed on the corner of the land. The yield of rice was 690 kg ha-1 where it was cultivated with ducks and fishes and 1450 kg ha-1 where it was cultivated with fishes only. The possible reason of such unexpected results might be due to over grazing of ducks soon after the rice was transplanted. During the study period (3.5 months) the fish production was 1.23 and 0.91 t ha-1 for rice-fish-duck polyculture and rice-fish culture systems respectively. The egg production percentage of ducks was 61.21. The analysis of variance in respect of culture systems showed that the growth performances of Rohu, Catla and Mirror carp were highly significant (P<0.001). Therefore, the duck dropping was found very effective for better growth and development of fishes
  B. Sarkar , S.S. Islam , Z.H. Khandaker , S.M.E. Ershad , A. Ashraf and M.I. Hossain
  The experiment was carried out at the Department of Animal Nutrition, Bangladesh Agricultural University, Mymensingh, to study the effects of different doses of nitrogen (N) fertilizer on yields and chemical composition of Zamboo grass. The fodder was cultivated at 4 levels of N fertilizer viz., 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 4×4 m. The fodder was harvested at the pre flowering stage (68 days after sowing) for first cutting and again 40 days after first cutting. The proximate components of the fodder for each plot were determined at the laboratory, Department of Animal Nutrition. The results of the study showed that the total yields (t ha-1) of Zamboo grass on fresh basis were 11.08, 15.63, 22.35 and 26.72 in the first cuttings and 7.94, 12.24, 16.65 and 22.41 in the second cutting using 0, 50, 100 and 150 kg urea ha-1, respectively. The total dry matter (DM) yield of fodder for first cutting at the treatment levels of 0, 50, 100 and 150 kg urea ha-1 were found to be 1.85, 2.75, 3.66 and 4.60 t ha-1 and those in second cutting were 0.67, 2.13, 3.08 and 3.97 t ha-1, respectively. Total yields of fodder green as well as DM basis in both cutting progressively and significantly increased with the increasing levels of N fertilizer doses. Similarly crude protein (CP), crude fiber (CF) and ether extract (EE) yields (t ha-1) were increased with increasing fertilizer doses. The green fodder as well as DM yields and percent of different proximate components of each treatment were higher in the first cutting than that of the second cutting except CF. The DM percent of the fodder was almost similar for different fertilizer treatments in both cutting. Among the various proximate components, CP, CF and EE percent increased by increasing the N fertilizer doses while ash percentage decreased.
 
 
 
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